Home / 19,972.02-29,965.22-8,569.18

Finding the Fourth Proportional to 19,972.02, 29,965.22 and 8,569.18

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Solution

The fourth proportional to 19,972.02, 29,965.22 and 8,569.18 is: 12,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.02 : 29,965.22 = 8,569.18 : x
  2. Step 2: Convert to fraction form
    19,972.02/29,965.22 = 8,569.18/x
  3. Step 3: Cross multiply
    19,972.02x = 29,965.22 × 8,569.18
  4. Step 4: Simplify right side
    19,972.02x = 256,777,363.92
  5. Step 5: Solve for x
    x = 256,777,363.92/19,972.02
  6. Step 6: Final answer
    x = 12,856.85

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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.