Home / 18,740.28-25,860.42-10,356.96

Finding the Fourth Proportional to 18,740.28, 25,860.42 and 10,356.96

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Solution

The fourth proportional to 18,740.28, 25,860.42 and 10,356.96 is: 14,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.28 : 25,860.42 = 10,356.96 : x
  2. Step 2: Convert to fraction form
    18,740.28/25,860.42 = 10,356.96/x
  3. Step 3: Cross multiply
    18,740.28x = 25,860.42 × 10,356.96
  4. Step 4: Simplify right side
    18,740.28x = 267,835,335.52
  5. Step 5: Solve for x
    x = 267,835,335.52/18,740.28
  6. Step 6: Final answer
    x = 14,291.96

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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.