Home / 12,624.89-18,937.65-5,227.36

Finding the Fourth Proportional to 12,624.89, 18,937.65 and 5,227.36

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Solution

The fourth proportional to 12,624.89, 18,937.65 and 5,227.36 is: 7,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.89 : 18,937.65 = 5,227.36 : x
  2. Step 2: Convert to fraction form
    12,624.89/18,937.65 = 5,227.36/x
  3. Step 3: Cross multiply
    12,624.89x = 18,937.65 × 5,227.36
  4. Step 4: Simplify right side
    12,624.89x = 98,993,856.96
  5. Step 5: Solve for x
    x = 98,993,856.96/12,624.89
  6. Step 6: Final answer
    x = 7,841.17

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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.