Home / 11,360.62-15,685.28-10,161.87

Finding the Fourth Proportional to 11,360.62, 15,685.28 and 10,161.87

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Solution

The fourth proportional to 11,360.62, 15,685.28 and 10,161.87 is: 14,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.62 : 15,685.28 = 10,161.87 : x
  2. Step 2: Convert to fraction form
    11,360.62/15,685.28 = 10,161.87/x
  3. Step 3: Cross multiply
    11,360.62x = 15,685.28 × 10,161.87
  4. Step 4: Simplify right side
    11,360.62x = 159,391,776.27
  5. Step 5: Solve for x
    x = 159,391,776.27/11,360.62
  6. Step 6: Final answer
    x = 14,030.20

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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.