Home / 19,695.32-29,549.98-12,105.22

Finding the Fourth Proportional to 19,695.32, 29,549.98 and 12,105.22

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Solution

The fourth proportional to 19,695.32, 29,549.98 and 12,105.22 is: 18,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.32 : 29,549.98 = 12,105.22 : x
  2. Step 2: Convert to fraction form
    19,695.32/29,549.98 = 12,105.22/x
  3. Step 3: Cross multiply
    19,695.32x = 29,549.98 × 12,105.22
  4. Step 4: Simplify right side
    19,695.32x = 357,709,008.90
  5. Step 5: Solve for x
    x = 357,709,008.90/19,695.32
  6. Step 6: Final answer
    x = 18,162.13

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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.