Home / 12,929.89-17,842.19-7,264.33

Finding the Fourth Proportional to 12,929.89, 17,842.19 and 7,264.33

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Solution

The fourth proportional to 12,929.89, 17,842.19 and 7,264.33 is: 10,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.89 : 17,842.19 = 7,264.33 : x
  2. Step 2: Convert to fraction form
    12,929.89/17,842.19 = 7,264.33/x
  3. Step 3: Cross multiply
    12,929.89x = 17,842.19 × 7,264.33
  4. Step 4: Simplify right side
    12,929.89x = 129,611,556.08
  5. Step 5: Solve for x
    x = 129,611,556.08/12,929.89
  6. Step 6: Final answer
    x = 10,024.18

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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.