Home / 15,008.55-22,515.84-4,478.73

Finding the Fourth Proportional to 15,008.55, 22,515.84 and 4,478.73

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Solution

The fourth proportional to 15,008.55, 22,515.84 and 4,478.73 is: 6,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.55 : 22,515.84 = 4,478.73 : x
  2. Step 2: Convert to fraction form
    15,008.55/22,515.84 = 4,478.73/x
  3. Step 3: Cross multiply
    15,008.55x = 22,515.84 × 4,478.73
  4. Step 4: Simplify right side
    15,008.55x = 100,842,368.08
  5. Step 5: Solve for x
    x = 100,842,368.08/15,008.55
  6. Step 6: Final answer
    x = 6,718.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.