Home / 13,031.08-17,982.90-7,062.76

Finding the Fourth Proportional to 13,031.08, 17,982.90 and 7,062.76

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Solution

The fourth proportional to 13,031.08, 17,982.90 and 7,062.76 is: 9,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.08 : 17,982.90 = 7,062.76 : x
  2. Step 2: Convert to fraction form
    13,031.08/17,982.90 = 7,062.76/x
  3. Step 3: Cross multiply
    13,031.08x = 17,982.90 × 7,062.76
  4. Step 4: Simplify right side
    13,031.08x = 127,008,906.80
  5. Step 5: Solve for x
    x = 127,008,906.80/13,031.08
  6. Step 6: Final answer
    x = 9,746.61

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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.