Home / 15,558.12-21,473.52-10,253.40

Finding the Fourth Proportional to 15,558.12, 21,473.52 and 10,253.40

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Solution

The fourth proportional to 15,558.12, 21,473.52 and 10,253.40 is: 14,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.12 : 21,473.52 = 10,253.40 : x
  2. Step 2: Convert to fraction form
    15,558.12/21,473.52 = 10,253.40/x
  3. Step 3: Cross multiply
    15,558.12x = 21,473.52 × 10,253.40
  4. Step 4: Simplify right side
    15,558.12x = 220,176,589.97
  5. Step 5: Solve for x
    x = 220,176,589.97/15,558.12
  6. Step 6: Final answer
    x = 14,151.88

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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.