Home / 14,532.90-21,770.55-8,672.10

Finding the Fourth Proportional to 14,532.90, 21,770.55 and 8,672.10

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Solution

The fourth proportional to 14,532.90, 21,770.55 and 8,672.10 is: 12,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.90 : 21,770.55 = 8,672.10 : x
  2. Step 2: Convert to fraction form
    14,532.90/21,770.55 = 8,672.10/x
  3. Step 3: Cross multiply
    14,532.90x = 21,770.55 × 8,672.10
  4. Step 4: Simplify right side
    14,532.90x = 188,796,386.66
  5. Step 5: Solve for x
    x = 188,796,386.66/14,532.90
  6. Step 6: Final answer
    x = 12,990.96

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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.