Home / 14,587.60-20,130.97-8,299.97

Finding the Fourth Proportional to 14,587.60, 20,130.97 and 8,299.97

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Solution

The fourth proportional to 14,587.60, 20,130.97 and 8,299.97 is: 11,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.60 : 20,130.97 = 8,299.97 : x
  2. Step 2: Convert to fraction form
    14,587.60/20,130.97 = 8,299.97/x
  3. Step 3: Cross multiply
    14,587.60x = 20,130.97 × 8,299.97
  4. Step 4: Simplify right side
    14,587.60x = 167,086,476.65
  5. Step 5: Solve for x
    x = 167,086,476.65/14,587.60
  6. Step 6: Final answer
    x = 11,454.01

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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.