Home / 16,060.81-22,170.29-10,887.86

Finding the Fourth Proportional to 16,060.81, 22,170.29 and 10,887.86

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Solution

The fourth proportional to 16,060.81, 22,170.29 and 10,887.86 is: 15,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,060.81 : 22,170.29 = 10,887.86 : x
  2. Step 2: Convert to fraction form
    16,060.81/22,170.29 = 10,887.86/x
  3. Step 3: Cross multiply
    16,060.81x = 22,170.29 × 10,887.86
  4. Step 4: Simplify right side
    16,060.81x = 241,387,014.67
  5. Step 5: Solve for x
    x = 241,387,014.67/16,060.81
  6. Step 6: Final answer
    x = 15,029.57

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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.