Home / 14,543.52-20,070.84-8,578.68

Finding the Fourth Proportional to 14,543.52, 20,070.84 and 8,578.68

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Solution

The fourth proportional to 14,543.52, 20,070.84 and 8,578.68 is: 11,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.52 : 20,070.84 = 8,578.68 : x
  2. Step 2: Convert to fraction form
    14,543.52/20,070.84 = 8,578.68/x
  3. Step 3: Cross multiply
    14,543.52x = 20,070.84 × 8,578.68
  4. Step 4: Simplify right side
    14,543.52x = 172,181,313.69
  5. Step 5: Solve for x
    x = 172,181,313.69/14,543.52
  6. Step 6: Final answer
    x = 11,839.04

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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.