Home / 11,288.79-15,577.23-6,508.71

Finding the Fourth Proportional to 11,288.79, 15,577.23 and 6,508.71

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Solution

The fourth proportional to 11,288.79, 15,577.23 and 6,508.71 is: 8,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.79 : 15,577.23 = 6,508.71 : x
  2. Step 2: Convert to fraction form
    11,288.79/15,577.23 = 6,508.71/x
  3. Step 3: Cross multiply
    11,288.79x = 15,577.23 × 6,508.71
  4. Step 4: Simplify right side
    11,288.79x = 101,387,672.67
  5. Step 5: Solve for x
    x = 101,387,672.67/11,288.79
  6. Step 6: Final answer
    x = 8,981.27

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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.