Home / 18,387.34-25,374.45-10,004.02

Finding the Fourth Proportional to 18,387.34, 25,374.45 and 10,004.02

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Solution

The fourth proportional to 18,387.34, 25,374.45 and 10,004.02 is: 13,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.34 : 25,374.45 = 10,004.02 : x
  2. Step 2: Convert to fraction form
    18,387.34/25,374.45 = 10,004.02/x
  3. Step 3: Cross multiply
    18,387.34x = 25,374.45 × 10,004.02
  4. Step 4: Simplify right side
    18,387.34x = 253,846,505.29
  5. Step 5: Solve for x
    x = 253,846,505.29/18,387.34
  6. Step 6: Final answer
    x = 13,805.50

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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.