Home / 15,437.52-21,304.61-8,723.43

Finding the Fourth Proportional to 15,437.52, 21,304.61 and 8,723.43

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Solution

The fourth proportional to 15,437.52, 21,304.61 and 8,723.43 is: 12,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.52 : 21,304.61 = 8,723.43 : x
  2. Step 2: Convert to fraction form
    15,437.52/21,304.61 = 8,723.43/x
  3. Step 3: Cross multiply
    15,437.52x = 21,304.61 × 8,723.43
  4. Step 4: Simplify right side
    15,437.52x = 185,849,274.01
  5. Step 5: Solve for x
    x = 185,849,274.01/15,437.52
  6. Step 6: Final answer
    x = 12,038.80

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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.