Home / 13,328.32-19,999.68-5,542.56

Finding the Fourth Proportional to 13,328.32, 19,999.68 and 5,542.56

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Solution

The fourth proportional to 13,328.32, 19,999.68 and 5,542.56 is: 8,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.32 : 19,999.68 = 5,542.56 : x
  2. Step 2: Convert to fraction form
    13,328.32/19,999.68 = 5,542.56/x
  3. Step 3: Cross multiply
    13,328.32x = 19,999.68 × 5,542.56
  4. Step 4: Simplify right side
    13,328.32x = 110,849,426.38
  5. Step 5: Solve for x
    x = 110,849,426.38/13,328.32
  6. Step 6: Final answer
    x = 8,316.83

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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.