Home / 12,512.40-17,273.36-7,206.19

Finding the Fourth Proportional to 12,512.40, 17,273.36 and 7,206.19

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Solution

The fourth proportional to 12,512.40, 17,273.36 and 7,206.19 is: 9,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.40 : 17,273.36 = 7,206.19 : x
  2. Step 2: Convert to fraction form
    12,512.40/17,273.36 = 7,206.19/x
  3. Step 3: Cross multiply
    12,512.40x = 17,273.36 × 7,206.19
  4. Step 4: Simplify right side
    12,512.40x = 124,474,991.70
  5. Step 5: Solve for x
    x = 124,474,991.70/12,512.40
  6. Step 6: Final answer
    x = 9,948.13

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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.