Home / 17,139.11-23,653.71-10,425.20

Finding the Fourth Proportional to 17,139.11, 23,653.71 and 10,425.20

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Solution

The fourth proportional to 17,139.11, 23,653.71 and 10,425.20 is: 14,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.11 : 23,653.71 = 10,425.20 : x
  2. Step 2: Convert to fraction form
    17,139.11/23,653.71 = 10,425.20/x
  3. Step 3: Cross multiply
    17,139.11x = 23,653.71 × 10,425.20
  4. Step 4: Simplify right side
    17,139.11x = 246,594,539.22
  5. Step 5: Solve for x
    x = 246,594,539.22/17,139.11
  6. Step 6: Final answer
    x = 14,387.83

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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.