Home / 14,747.68-20,351.64-8,461.04

Finding the Fourth Proportional to 14,747.68, 20,351.64 and 8,461.04

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Solution

The fourth proportional to 14,747.68, 20,351.64 and 8,461.04 is: 11,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.68 : 20,351.64 = 8,461.04 : x
  2. Step 2: Convert to fraction form
    14,747.68/20,351.64 = 8,461.04/x
  3. Step 3: Cross multiply
    14,747.68x = 20,351.64 × 8,461.04
  4. Step 4: Simplify right side
    14,747.68x = 172,196,040.11
  5. Step 5: Solve for x
    x = 172,196,040.11/14,747.68
  6. Step 6: Final answer
    x = 11,676.14

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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.