Home / 8,811.72-13,192.20-5,853.12

Finding the Fourth Proportional to 8,811.72, 13,192.20 and 5,853.12

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Solution

The fourth proportional to 8,811.72, 13,192.20 and 5,853.12 is: 8,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.72 : 13,192.20 = 5,853.12 : x
  2. Step 2: Convert to fraction form
    8,811.72/13,192.20 = 5,853.12/x
  3. Step 3: Cross multiply
    8,811.72x = 13,192.20 × 5,853.12
  4. Step 4: Simplify right side
    8,811.72x = 77,215,529.66
  5. Step 5: Solve for x
    x = 77,215,529.66/8,811.72
  6. Step 6: Final answer
    x = 8,762.82

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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.