Home / 15,641.59-21,585.41-8,568.27

Finding the Fourth Proportional to 15,641.59, 21,585.41 and 8,568.27

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Solution

The fourth proportional to 15,641.59, 21,585.41 and 8,568.27 is: 11,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.59 : 21,585.41 = 8,568.27 : x
  2. Step 2: Convert to fraction form
    15,641.59/21,585.41 = 8,568.27/x
  3. Step 3: Cross multiply
    15,641.59x = 21,585.41 × 8,568.27
  4. Step 4: Simplify right side
    15,641.59x = 184,949,620.94
  5. Step 5: Solve for x
    x = 184,949,620.94/15,641.59
  6. Step 6: Final answer
    x = 11,824.22

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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.