Home / 8,760.24-13,159.80-7,477.20

Finding the Fourth Proportional to 8,760.24, 13,159.80 and 7,477.20

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Solution

The fourth proportional to 8,760.24, 13,159.80 and 7,477.20 is: 11,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.24 : 13,159.80 = 7,477.20 : x
  2. Step 2: Convert to fraction form
    8,760.24/13,159.80 = 7,477.20/x
  3. Step 3: Cross multiply
    8,760.24x = 13,159.80 × 7,477.20
  4. Step 4: Simplify right side
    8,760.24x = 98,398,456.56
  5. Step 5: Solve for x
    x = 98,398,456.56/8,760.24
  6. Step 6: Final answer
    x = 11,232.39

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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.