Home / 19,158.02-28,744.17-8,624.88

Finding the Fourth Proportional to 19,158.02, 28,744.17 and 8,624.88

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Solution

The fourth proportional to 19,158.02, 28,744.17 and 8,624.88 is: 12,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.02 : 28,744.17 = 8,624.88 : x
  2. Step 2: Convert to fraction form
    19,158.02/28,744.17 = 8,624.88/x
  3. Step 3: Cross multiply
    19,158.02x = 28,744.17 × 8,624.88
  4. Step 4: Simplify right side
    19,158.02x = 247,914,984.61
  5. Step 5: Solve for x
    x = 247,914,984.61/19,158.02
  6. Step 6: Final answer
    x = 12,940.53

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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.