Home / 10,932.48-15,088.32-6,218.88

Finding the Fourth Proportional to 10,932.48, 15,088.32 and 6,218.88

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Solution

The fourth proportional to 10,932.48, 15,088.32 and 6,218.88 is: 8,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.48 : 15,088.32 = 6,218.88 : x
  2. Step 2: Convert to fraction form
    10,932.48/15,088.32 = 6,218.88/x
  3. Step 3: Cross multiply
    10,932.48x = 15,088.32 × 6,218.88
  4. Step 4: Simplify right side
    10,932.48x = 93,832,451.48
  5. Step 5: Solve for x
    x = 93,832,451.48/10,932.48
  6. Step 6: Final answer
    x = 8,582.91

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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.