Home / 12,858.24-19,287.36-8,244.48

Finding the Fourth Proportional to 12,858.24, 19,287.36 and 8,244.48

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Solution

The fourth proportional to 12,858.24, 19,287.36 and 8,244.48 is: 12,366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.24 : 19,287.36 = 8,244.48 : x
  2. Step 2: Convert to fraction form
    12,858.24/19,287.36 = 8,244.48/x
  3. Step 3: Cross multiply
    12,858.24x = 19,287.36 × 8,244.48
  4. Step 4: Simplify right side
    12,858.24x = 159,014,253.77
  5. Step 5: Solve for x
    x = 159,014,253.77/12,858.24
  6. Step 6: Final answer
    x = 12,366.72

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.