Home / 15,282.24-21,091.24-8,569.68

Finding the Fourth Proportional to 15,282.24, 21,091.24 and 8,569.68

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Solution

The fourth proportional to 15,282.24, 21,091.24 and 8,569.68 is: 11,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.24 : 21,091.24 = 8,569.68 : x
  2. Step 2: Convert to fraction form
    15,282.24/21,091.24 = 8,569.68/x
  3. Step 3: Cross multiply
    15,282.24x = 21,091.24 × 8,569.68
  4. Step 4: Simplify right side
    15,282.24x = 180,745,177.60
  5. Step 5: Solve for x
    x = 180,745,177.60/15,282.24
  6. Step 6: Final answer
    x = 11,827.14

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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.