Home / 15,560.24-21,473.08-8,486.64

Finding the Fourth Proportional to 15,560.24, 21,473.08 and 8,486.64

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Solution

The fourth proportional to 15,560.24, 21,473.08 and 8,486.64 is: 11,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.24 : 21,473.08 = 8,486.64 : x
  2. Step 2: Convert to fraction form
    15,560.24/21,473.08 = 8,486.64/x
  3. Step 3: Cross multiply
    15,560.24x = 21,473.08 × 8,486.64
  4. Step 4: Simplify right side
    15,560.24x = 182,234,299.65
  5. Step 5: Solve for x
    x = 182,234,299.65/15,560.24
  6. Step 6: Final answer
    x = 11,711.54

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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.