Home / 12,526.91-17,278.81-8,056.32

Finding the Fourth Proportional to 12,526.91, 17,278.81 and 8,056.32

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Solution

The fourth proportional to 12,526.91, 17,278.81 and 8,056.32 is: 11,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.91 : 17,278.81 = 8,056.32 : x
  2. Step 2: Convert to fraction form
    12,526.91/17,278.81 = 8,056.32/x
  3. Step 3: Cross multiply
    12,526.91x = 17,278.81 × 8,056.32
  4. Step 4: Simplify right side
    12,526.91x = 139,203,622.58
  5. Step 5: Solve for x
    x = 139,203,622.58/12,526.91
  6. Step 6: Final answer
    x = 11,112.37

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.