Home / 11,294.91-15,586.55-6,515.05

Finding the Fourth Proportional to 11,294.91, 15,586.55 and 6,515.05

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Solution

The fourth proportional to 11,294.91, 15,586.55 and 6,515.05 is: 8,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.91 : 15,586.55 = 6,515.05 : x
  2. Step 2: Convert to fraction form
    11,294.91/15,586.55 = 6,515.05/x
  3. Step 3: Cross multiply
    11,294.91x = 15,586.55 × 6,515.05
  4. Step 4: Simplify right side
    11,294.91x = 101,547,129.90
  5. Step 5: Solve for x
    x = 101,547,129.90/11,294.91
  6. Step 6: Final answer
    x = 8,990.52

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Double scale
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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.