Home / 12,732.20-19,113.90-8,052.20

Finding the Fourth Proportional to 12,732.20, 19,113.90 and 8,052.20

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Solution

The fourth proportional to 12,732.20, 19,113.90 and 8,052.20 is: 12,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.20 : 19,113.90 = 8,052.20 : x
  2. Step 2: Convert to fraction form
    12,732.20/19,113.90 = 8,052.20/x
  3. Step 3: Cross multiply
    12,732.20x = 19,113.90 × 8,052.20
  4. Step 4: Simplify right side
    12,732.20x = 153,908,945.58
  5. Step 5: Solve for x
    x = 153,908,945.58/12,732.20
  6. Step 6: Final answer
    x = 12,088.17

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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.