Home / 22,909.85-34,317.78-13,521.45

Finding the Fourth Proportional to 22,909.85, 34,317.78 and 13,521.45

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Solution

The fourth proportional to 22,909.85, 34,317.78 and 13,521.45 is: 20,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.85 : 34,317.78 = 13,521.45 : x
  2. Step 2: Convert to fraction form
    22,909.85/34,317.78 = 13,521.45/x
  3. Step 3: Cross multiply
    22,909.85x = 34,317.78 × 13,521.45
  4. Step 4: Simplify right side
    22,909.85x = 464,026,146.38
  5. Step 5: Solve for x
    x = 464,026,146.38/22,909.85
  6. Step 6: Final answer
    x = 20,254.44

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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.