Home / 25,139.47-37,708.62-12,656.14

Finding the Fourth Proportional to 25,139.47, 37,708.62 and 12,656.14

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Solution

The fourth proportional to 25,139.47, 37,708.62 and 12,656.14 is: 18,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.47 : 37,708.62 = 12,656.14 : x
  2. Step 2: Convert to fraction form
    25,139.47/37,708.62 = 12,656.14/x
  3. Step 3: Cross multiply
    25,139.47x = 37,708.62 × 12,656.14
  4. Step 4: Simplify right side
    25,139.47x = 477,245,510.65
  5. Step 5: Solve for x
    x = 477,245,510.65/25,139.47
  6. Step 6: Final answer
    x = 18,983.92

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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.