Home / 10,871.52-16,307.28-5,676.18

Finding the Fourth Proportional to 10,871.52, 16,307.28 and 5,676.18

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Solution

The fourth proportional to 10,871.52, 16,307.28 and 5,676.18 is: 8,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.52 : 16,307.28 = 5,676.18 : x
  2. Step 2: Convert to fraction form
    10,871.52/16,307.28 = 5,676.18/x
  3. Step 3: Cross multiply
    10,871.52x = 16,307.28 × 5,676.18
  4. Step 4: Simplify right side
    10,871.52x = 92,563,056.59
  5. Step 5: Solve for x
    x = 92,563,056.59/10,871.52
  6. Step 6: Final answer
    x = 8,514.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.