Home / 16,040.16-22,134.48-8,965.20

Finding the Fourth Proportional to 16,040.16, 22,134.48 and 8,965.20

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Solution

The fourth proportional to 16,040.16, 22,134.48 and 8,965.20 is: 12,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.16 : 22,134.48 = 8,965.20 : x
  2. Step 2: Convert to fraction form
    16,040.16/22,134.48 = 8,965.20/x
  3. Step 3: Cross multiply
    16,040.16x = 22,134.48 × 8,965.20
  4. Step 4: Simplify right side
    16,040.16x = 198,440,040.10
  5. Step 5: Solve for x
    x = 198,440,040.10/16,040.16
  6. Step 6: Final answer
    x = 12,371.45

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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.