Home / 12,624.98-18,937.79-5,227.46

Finding the Fourth Proportional to 12,624.98, 18,937.79 and 5,227.46

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Solution

The fourth proportional to 12,624.98, 18,937.79 and 5,227.46 is: 7,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.98 : 18,937.79 = 5,227.46 : x
  2. Step 2: Convert to fraction form
    12,624.98/18,937.79 = 5,227.46/x
  3. Step 3: Cross multiply
    12,624.98x = 18,937.79 × 5,227.46
  4. Step 4: Simplify right side
    12,624.98x = 98,996,418.89
  5. Step 5: Solve for x
    x = 98,996,418.89/12,624.98
  6. Step 6: Final answer
    x = 7,841.32

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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.