Home / 18,436.56-25,442.40-10,053.12

Finding the Fourth Proportional to 18,436.56, 25,442.40 and 10,053.12

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Solution

The fourth proportional to 18,436.56, 25,442.40 and 10,053.12 is: 13,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.56 : 25,442.40 = 10,053.12 : x
  2. Step 2: Convert to fraction form
    18,436.56/25,442.40 = 10,053.12/x
  3. Step 3: Cross multiply
    18,436.56x = 25,442.40 × 10,053.12
  4. Step 4: Simplify right side
    18,436.56x = 255,775,500.29
  5. Step 5: Solve for x
    x = 255,775,500.29/18,436.56
  6. Step 6: Final answer
    x = 13,873.28

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Half 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.