Home / 19,500.12-29,264.73-12,115.35

Finding the Fourth Proportional to 19,500.12, 29,264.73 and 12,115.35

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Solution

The fourth proportional to 19,500.12, 29,264.73 and 12,115.35 is: 18,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.12 : 29,264.73 = 12,115.35 : x
  2. Step 2: Convert to fraction form
    19,500.12/29,264.73 = 12,115.35/x
  3. Step 3: Cross multiply
    19,500.12x = 29,264.73 × 12,115.35
  4. Step 4: Simplify right side
    19,500.12x = 354,552,446.61
  5. Step 5: Solve for x
    x = 354,552,446.61/19,500.12
  6. Step 6: Final answer
    x = 18,182.06

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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.