Home / 12,525.29-17,284.61-7,219.79

Finding the Fourth Proportional to 12,525.29, 17,284.61 and 7,219.79

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Solution

The fourth proportional to 12,525.29, 17,284.61 and 7,219.79 is: 9,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.29 : 17,284.61 = 7,219.79 : x
  2. Step 2: Convert to fraction form
    12,525.29/17,284.61 = 7,219.79/x
  3. Step 3: Cross multiply
    12,525.29x = 17,284.61 × 7,219.79
  4. Step 4: Simplify right side
    12,525.29x = 124,791,218.33
  5. Step 5: Solve for x
    x = 124,791,218.33/12,525.29
  6. Step 6: Final answer
    x = 9,963.14

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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.