Home / 15,641.69-21,585.54-8,568.14

Finding the Fourth Proportional to 15,641.69, 21,585.54 and 8,568.14

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Solution

The fourth proportional to 15,641.69, 21,585.54 and 8,568.14 is: 11,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.69 : 21,585.54 = 8,568.14 : x
  2. Step 2: Convert to fraction form
    15,641.69/21,585.54 = 8,568.14/x
  3. Step 3: Cross multiply
    15,641.69x = 21,585.54 × 8,568.14
  4. Step 4: Simplify right side
    15,641.69x = 184,947,928.70
  5. Step 5: Solve for x
    x = 184,947,928.70/15,641.69
  6. Step 6: Final answer
    x = 11,824.04

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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.