Home / 14,739.89-20,340.02-8,366.61

Finding the Fourth Proportional to 14,739.89, 20,340.02 and 8,366.61

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Solution

The fourth proportional to 14,739.89, 20,340.02 and 8,366.61 is: 11,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.89 : 20,340.02 = 8,366.61 : x
  2. Step 2: Convert to fraction form
    14,739.89/20,340.02 = 8,366.61/x
  3. Step 3: Cross multiply
    14,739.89x = 20,340.02 × 8,366.61
  4. Step 4: Simplify right side
    14,739.89x = 170,176,871.20
  5. Step 5: Solve for x
    x = 170,176,871.20/14,739.89
  6. Step 6: Final answer
    x = 11,545.33

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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.