Home / 13,923.20-19,213.67-7,549.52

Finding the Fourth Proportional to 13,923.20, 19,213.67 and 7,549.52

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Solution

The fourth proportional to 13,923.20, 19,213.67 and 7,549.52 is: 10,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.20 : 19,213.67 = 7,549.52 : x
  2. Step 2: Convert to fraction form
    13,923.20/19,213.67 = 7,549.52/x
  3. Step 3: Cross multiply
    13,923.20x = 19,213.67 × 7,549.52
  4. Step 4: Simplify right side
    13,923.20x = 145,053,985.94
  5. Step 5: Solve for x
    x = 145,053,985.94/13,923.20
  6. Step 6: Final answer
    x = 10,418.15

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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.