Home / 16,731.20-23,089.78-10,015.53

Finding the Fourth Proportional to 16,731.20, 23,089.78 and 10,015.53

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Solution

The fourth proportional to 16,731.20, 23,089.78 and 10,015.53 is: 13,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.20 : 23,089.78 = 10,015.53 : x
  2. Step 2: Convert to fraction form
    16,731.20/23,089.78 = 10,015.53/x
  3. Step 3: Cross multiply
    16,731.20x = 23,089.78 × 10,015.53
  4. Step 4: Simplify right side
    16,731.20x = 231,256,328.60
  5. Step 5: Solve for x
    x = 231,256,328.60/16,731.20
  6. Step 6: Final answer
    x = 13,821.86

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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.