Home / 9,031.80-13,543.65-4,098.90

Finding the Fourth Proportional to 9,031.80, 13,543.65 and 4,098.90

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Solution

The fourth proportional to 9,031.80, 13,543.65 and 4,098.90 is: 6,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.80 : 13,543.65 = 4,098.90 : x
  2. Step 2: Convert to fraction form
    9,031.80/13,543.65 = 4,098.90/x
  3. Step 3: Cross multiply
    9,031.80x = 13,543.65 × 4,098.90
  4. Step 4: Simplify right side
    9,031.80x = 55,514,066.99
  5. Step 5: Solve for x
    x = 55,514,066.99/9,031.80
  6. Step 6: Final answer
    x = 6,146.51

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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.