Home / 10,246.52-15,382.74-8,717.24

Finding the Fourth Proportional to 10,246.52, 15,382.74 and 8,717.24

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Solution

The fourth proportional to 10,246.52, 15,382.74 and 8,717.24 is: 13,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.52 : 15,382.74 = 8,717.24 : x
  2. Step 2: Convert to fraction form
    10,246.52/15,382.74 = 8,717.24/x
  3. Step 3: Cross multiply
    10,246.52x = 15,382.74 × 8,717.24
  4. Step 4: Simplify right side
    10,246.52x = 134,095,036.44
  5. Step 5: Solve for x
    x = 134,095,036.44/10,246.52
  6. Step 6: Final answer
    x = 13,086.89

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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.