Home / 10,177.68-14,044.32-5,640.24

Finding the Fourth Proportional to 10,177.68, 14,044.32 and 5,640.24

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Solution

The fourth proportional to 10,177.68, 14,044.32 and 5,640.24 is: 7,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.68 : 14,044.32 = 5,640.24 : x
  2. Step 2: Convert to fraction form
    10,177.68/14,044.32 = 5,640.24/x
  3. Step 3: Cross multiply
    10,177.68x = 14,044.32 × 5,640.24
  4. Step 4: Simplify right side
    10,177.68x = 79,213,335.44
  5. Step 5: Solve for x
    x = 79,213,335.44/10,177.68
  6. Step 6: Final answer
    x = 7,783.04

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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.