Home / 15,641.73-21,585.60-8,568.18

Finding the Fourth Proportional to 15,641.73, 21,585.60 and 8,568.18

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Solution

The fourth proportional to 15,641.73, 21,585.60 and 8,568.18 is: 11,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.73 : 21,585.60 = 8,568.18 : x
  2. Step 2: Convert to fraction form
    15,641.73/21,585.60 = 8,568.18/x
  3. Step 3: Cross multiply
    15,641.73x = 21,585.60 × 8,568.18
  4. Step 4: Simplify right side
    15,641.73x = 184,949,306.21
  5. Step 5: Solve for x
    x = 184,949,306.21/15,641.73
  6. Step 6: Final answer
    x = 11,824.10

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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.