Home / 19,718.20-29,577.30-8,632.90

Finding the Fourth Proportional to 19,718.20, 29,577.30 and 8,632.90

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Solution

The fourth proportional to 19,718.20, 29,577.30 and 8,632.90 is: 12,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.20 : 29,577.30 = 8,632.90 : x
  2. Step 2: Convert to fraction form
    19,718.20/29,577.30 = 8,632.90/x
  3. Step 3: Cross multiply
    19,718.20x = 29,577.30 × 8,632.90
  4. Step 4: Simplify right side
    19,718.20x = 255,337,873.17
  5. Step 5: Solve for x
    x = 255,337,873.17/19,718.20
  6. Step 6: Final answer
    x = 12,949.35

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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.