Home / 13,514.90-18,650.26-7,547.13

Finding the Fourth Proportional to 13,514.90, 18,650.26 and 7,547.13

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Solution

The fourth proportional to 13,514.90, 18,650.26 and 7,547.13 is: 10,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.90 : 18,650.26 = 7,547.13 : x
  2. Step 2: Convert to fraction form
    13,514.90/18,650.26 = 7,547.13/x
  3. Step 3: Cross multiply
    13,514.90x = 18,650.26 × 7,547.13
  4. Step 4: Simplify right side
    13,514.90x = 140,755,936.75
  5. Step 5: Solve for x
    x = 140,755,936.75/13,514.90
  6. Step 6: Final answer
    x = 10,414.87

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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.