Home / 11,565.99-15,961.17-6,260.91

Finding the Fourth Proportional to 11,565.99, 15,961.17 and 6,260.91

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Solution

The fourth proportional to 11,565.99, 15,961.17 and 6,260.91 is: 8,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.99 : 15,961.17 = 6,260.91 : x
  2. Step 2: Convert to fraction form
    11,565.99/15,961.17 = 6,260.91/x
  3. Step 3: Cross multiply
    11,565.99x = 15,961.17 × 6,260.91
  4. Step 4: Simplify right side
    11,565.99x = 99,931,448.86
  5. Step 5: Solve for x
    x = 99,931,448.86/11,565.99
  6. Step 6: Final answer
    x = 8,640.11

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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.