Home / 9,867.33-14,729.01-8,621.75

Finding the Fourth Proportional to 9,867.33, 14,729.01 and 8,621.75

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Solution

The fourth proportional to 9,867.33, 14,729.01 and 8,621.75 is: 12,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.33 : 14,729.01 = 8,621.75 : x
  2. Step 2: Convert to fraction form
    9,867.33/14,729.01 = 8,621.75/x
  3. Step 3: Cross multiply
    9,867.33x = 14,729.01 × 8,621.75
  4. Step 4: Simplify right side
    9,867.33x = 126,989,798.86
  5. Step 5: Solve for x
    x = 126,989,798.86/9,867.33
  6. Step 6: Final answer
    x = 12,869.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.