Home / 22,008.76-30,372.64-12,577.12

Finding the Fourth Proportional to 22,008.76, 30,372.64 and 12,577.12

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Solution

The fourth proportional to 22,008.76, 30,372.64 and 12,577.12 is: 17,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.76 : 30,372.64 = 12,577.12 : x
  2. Step 2: Convert to fraction form
    22,008.76/30,372.64 = 12,577.12/x
  3. Step 3: Cross multiply
    22,008.76x = 30,372.64 × 12,577.12
  4. Step 4: Simplify right side
    22,008.76x = 382,000,338.00
  5. Step 5: Solve for x
    x = 382,000,338.00/22,008.76
  6. Step 6: Final answer
    x = 17,356.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.