Home / 10,387.26-14,334.35-5,671.55

Finding the Fourth Proportional to 10,387.26, 14,334.35 and 5,671.55

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Solution

The fourth proportional to 10,387.26, 14,334.35 and 5,671.55 is: 7,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.26 : 14,334.35 = 5,671.55 : x
  2. Step 2: Convert to fraction form
    10,387.26/14,334.35 = 5,671.55/x
  3. Step 3: Cross multiply
    10,387.26x = 14,334.35 × 5,671.55
  4. Step 4: Simplify right side
    10,387.26x = 81,297,882.71
  5. Step 5: Solve for x
    x = 81,297,882.71/10,387.26
  6. Step 6: Final answer
    x = 7,826.69

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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.