Home / 14,659.38-20,225.23-8,991.41

Finding the Fourth Proportional to 14,659.38, 20,225.23 and 8,991.41

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Solution

The fourth proportional to 14,659.38, 20,225.23 and 8,991.41 is: 12,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.38 : 20,225.23 = 8,991.41 : x
  2. Step 2: Convert to fraction form
    14,659.38/20,225.23 = 8,991.41/x
  3. Step 3: Cross multiply
    14,659.38x = 20,225.23 × 8,991.41
  4. Step 4: Simplify right side
    14,659.38x = 181,853,211.67
  5. Step 5: Solve for x
    x = 181,853,211.67/14,659.38
  6. Step 6: Final answer
    x = 12,405.25

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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.