Home / 9,125.51-13,711.33-8,756.45

Finding the Fourth Proportional to 9,125.51, 13,711.33 and 8,756.45

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Solution

The fourth proportional to 9,125.51, 13,711.33 and 8,756.45 is: 13,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.51 : 13,711.33 = 8,756.45 : x
  2. Step 2: Convert to fraction form
    9,125.51/13,711.33 = 8,756.45/x
  3. Step 3: Cross multiply
    9,125.51x = 13,711.33 × 8,756.45
  4. Step 4: Simplify right side
    9,125.51x = 120,062,587.97
  5. Step 5: Solve for x
    x = 120,062,587.97/9,125.51
  6. Step 6: Final answer
    x = 13,156.81

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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.