Home / 14,615.32-20,164.50-8,649.04

Finding the Fourth Proportional to 14,615.32, 20,164.50 and 8,649.04

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Solution

The fourth proportional to 14,615.32, 20,164.50 and 8,649.04 is: 11,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.32 : 20,164.50 = 8,649.04 : x
  2. Step 2: Convert to fraction form
    14,615.32/20,164.50 = 8,649.04/x
  3. Step 3: Cross multiply
    14,615.32x = 20,164.50 × 8,649.04
  4. Step 4: Simplify right side
    14,615.32x = 174,403,567.08
  5. Step 5: Solve for x
    x = 174,403,567.08/14,615.32
  6. Step 6: Final answer
    x = 11,932.93

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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.