Home / 10,514.80-14,513.40-7,371.76

Finding the Fourth Proportional to 10,514.80, 14,513.40 and 7,371.76

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Solution

The fourth proportional to 10,514.80, 14,513.40 and 7,371.76 is: 10,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.80 : 14,513.40 = 7,371.76 : x
  2. Step 2: Convert to fraction form
    10,514.80/14,513.40 = 7,371.76/x
  3. Step 3: Cross multiply
    10,514.80x = 14,513.40 × 7,371.76
  4. Step 4: Simplify right side
    10,514.80x = 106,989,301.58
  5. Step 5: Solve for x
    x = 106,989,301.58/10,514.80
  6. Step 6: Final answer
    x = 10,175.12

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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.