Home / 12,531.46-18,800.70-6,283.90

Finding the Fourth Proportional to 12,531.46, 18,800.70 and 6,283.90

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Solution

The fourth proportional to 12,531.46, 18,800.70 and 6,283.90 is: 9,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.46 : 18,800.70 = 6,283.90 : x
  2. Step 2: Convert to fraction form
    12,531.46/18,800.70 = 6,283.90/x
  3. Step 3: Cross multiply
    12,531.46x = 18,800.70 × 6,283.90
  4. Step 4: Simplify right side
    12,531.46x = 118,141,718.73
  5. Step 5: Solve for x
    x = 118,141,718.73/12,531.46
  6. Step 6: Final answer
    x = 9,427.61

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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.