Home / 18,447.72-25,460.46-10,490.70

Finding the Fourth Proportional to 18,447.72, 25,460.46 and 10,490.70

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Solution

The fourth proportional to 18,447.72, 25,460.46 and 10,490.70 is: 14,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.72 : 25,460.46 = 10,490.70 : x
  2. Step 2: Convert to fraction form
    18,447.72/25,460.46 = 10,490.70/x
  3. Step 3: Cross multiply
    18,447.72x = 25,460.46 × 10,490.70
  4. Step 4: Simplify right side
    18,447.72x = 267,098,047.72
  5. Step 5: Solve for x
    x = 267,098,047.72/18,447.72
  6. Step 6: Final answer
    x = 14,478.65

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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.