Home / 14,595.56-20,142.90-8,135.61

Finding the Fourth Proportional to 14,595.56, 20,142.90 and 8,135.61

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Solution

The fourth proportional to 14,595.56, 20,142.90 and 8,135.61 is: 11,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.56 : 20,142.90 = 8,135.61 : x
  2. Step 2: Convert to fraction form
    14,595.56/20,142.90 = 8,135.61/x
  3. Step 3: Cross multiply
    14,595.56x = 20,142.90 × 8,135.61
  4. Step 4: Simplify right side
    14,595.56x = 163,874,703.13
  5. Step 5: Solve for x
    x = 163,874,703.13/14,595.56
  6. Step 6: Final answer
    x = 11,227.71

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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.