Home / 15,834.73-21,854.19-9,868.27

Finding the Fourth Proportional to 15,834.73, 21,854.19 and 9,868.27

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Solution

The fourth proportional to 15,834.73, 21,854.19 and 9,868.27 is: 13,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.73 : 21,854.19 = 9,868.27 : x
  2. Step 2: Convert to fraction form
    15,834.73/21,854.19 = 9,868.27/x
  3. Step 3: Cross multiply
    15,834.73x = 21,854.19 × 9,868.27
  4. Step 4: Simplify right side
    15,834.73x = 215,663,047.55
  5. Step 5: Solve for x
    x = 215,663,047.55/15,834.73
  6. Step 6: Final answer
    x = 13,619.62

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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.