Home / 19,442.02-29,162.84-8,909.05

Finding the Fourth Proportional to 19,442.02, 29,162.84 and 8,909.05

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Solution

The fourth proportional to 19,442.02, 29,162.84 and 8,909.05 is: 13,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.02 : 29,162.84 = 8,909.05 : x
  2. Step 2: Convert to fraction form
    19,442.02/29,162.84 = 8,909.05/x
  3. Step 3: Cross multiply
    19,442.02x = 29,162.84 × 8,909.05
  4. Step 4: Simplify right side
    19,442.02x = 259,813,177.94
  5. Step 5: Solve for x
    x = 259,813,177.94/19,442.02
  6. Step 6: Final answer
    x = 13,363.49

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Double scale
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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.