Home / 16,146.20-22,281.47-9,858.57

Finding the Fourth Proportional to 16,146.20, 22,281.47 and 9,858.57

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Solution

The fourth proportional to 16,146.20, 22,281.47 and 9,858.57 is: 13,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,146.20 : 22,281.47 = 9,858.57 : x
  2. Step 2: Convert to fraction form
    16,146.20/22,281.47 = 9,858.57/x
  3. Step 3: Cross multiply
    16,146.20x = 22,281.47 × 9,858.57
  4. Step 4: Simplify right side
    16,146.20x = 219,663,382.41
  5. Step 5: Solve for x
    x = 219,663,382.41/16,146.20
  6. Step 6: Final answer
    x = 13,604.65

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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.