Home / 14,860.16-20,517.12-11,341.44

Finding the Fourth Proportional to 14,860.16, 20,517.12 and 11,341.44

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Solution

The fourth proportional to 14,860.16, 20,517.12 and 11,341.44 is: 15,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.16 : 20,517.12 = 11,341.44 : x
  2. Step 2: Convert to fraction form
    14,860.16/20,517.12 = 11,341.44/x
  3. Step 3: Cross multiply
    14,860.16x = 20,517.12 × 11,341.44
  4. Step 4: Simplify right side
    14,860.16x = 232,693,685.45
  5. Step 5: Solve for x
    x = 232,693,685.45/14,860.16
  6. Step 6: Final answer
    x = 15,658.90

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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.