Home / 9,039.30-13,572.72-8,593.80

Finding the Fourth Proportional to 9,039.30, 13,572.72 and 8,593.80

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Solution

The fourth proportional to 9,039.30, 13,572.72 and 8,593.80 is: 12,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.30 : 13,572.72 = 8,593.80 : x
  2. Step 2: Convert to fraction form
    9,039.30/13,572.72 = 8,593.80/x
  3. Step 3: Cross multiply
    9,039.30x = 13,572.72 × 8,593.80
  4. Step 4: Simplify right side
    9,039.30x = 116,641,130.30
  5. Step 5: Solve for x
    x = 116,641,130.30/9,039.30
  6. Step 6: Final answer
    x = 12,903.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.