Home / 15,641.70-21,585.52-8,568.13

Finding the Fourth Proportional to 15,641.70, 21,585.52 and 8,568.13

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Solution

The fourth proportional to 15,641.70, 21,585.52 and 8,568.13 is: 11,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.70 : 21,585.52 = 8,568.13 : x
  2. Step 2: Convert to fraction form
    15,641.70/21,585.52 = 8,568.13/x
  3. Step 3: Cross multiply
    15,641.70x = 21,585.52 × 8,568.13
  4. Step 4: Simplify right side
    15,641.70x = 184,947,541.48
  5. Step 5: Solve for x
    x = 184,947,541.48/15,641.70
  6. Step 6: Final answer
    x = 11,824.01

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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.