Home / 14,751.06-20,354.70-8,377.61

Finding the Fourth Proportional to 14,751.06, 20,354.70 and 8,377.61

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Solution

The fourth proportional to 14,751.06, 20,354.70 and 8,377.61 is: 11,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.06 : 20,354.70 = 8,377.61 : x
  2. Step 2: Convert to fraction form
    14,751.06/20,354.70 = 8,377.61/x
  3. Step 3: Cross multiply
    14,751.06x = 20,354.70 × 8,377.61
  4. Step 4: Simplify right side
    14,751.06x = 170,523,738.27
  5. Step 5: Solve for x
    x = 170,523,738.27/14,751.06
  6. Step 6: Final answer
    x = 11,560.10

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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.