Home / 16,560.36-22,854.29-9,390.57

Finding the Fourth Proportional to 16,560.36, 22,854.29 and 9,390.57

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Solution

The fourth proportional to 16,560.36, 22,854.29 and 9,390.57 is: 12,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.36 : 22,854.29 = 9,390.57 : x
  2. Step 2: Convert to fraction form
    16,560.36/22,854.29 = 9,390.57/x
  3. Step 3: Cross multiply
    16,560.36x = 22,854.29 × 9,390.57
  4. Step 4: Simplify right side
    16,560.36x = 214,614,763.09
  5. Step 5: Solve for x
    x = 214,614,763.09/16,560.36
  6. Step 6: Final answer
    x = 12,959.55

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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.