Home / 12,624.21-18,943.22-4,732.18

Finding the Fourth Proportional to 12,624.21, 18,943.22 and 4,732.18

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Solution

The fourth proportional to 12,624.21, 18,943.22 and 4,732.18 is: 7,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.21 : 18,943.22 = 4,732.18 : x
  2. Step 2: Convert to fraction form
    12,624.21/18,943.22 = 4,732.18/x
  3. Step 3: Cross multiply
    12,624.21x = 18,943.22 × 4,732.18
  4. Step 4: Simplify right side
    12,624.21x = 89,642,691.29
  5. Step 5: Solve for x
    x = 89,642,691.29/12,624.21
  6. Step 6: Final answer
    x = 7,100.86

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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.