Home / 19,000.32-26,220.96-10,617.36

Finding the Fourth Proportional to 19,000.32, 26,220.96 and 10,617.36

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Solution

The fourth proportional to 19,000.32, 26,220.96 and 10,617.36 is: 14,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.32 : 26,220.96 = 10,617.36 : x
  2. Step 2: Convert to fraction form
    19,000.32/26,220.96 = 10,617.36/x
  3. Step 3: Cross multiply
    19,000.32x = 26,220.96 × 10,617.36
  4. Step 4: Simplify right side
    19,000.32x = 278,397,371.87
  5. Step 5: Solve for x
    x = 278,397,371.87/19,000.32
  6. Step 6: Final answer
    x = 14,652.25

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Half scale
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Double scale
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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.