Home / 12,506.40-17,259.38-7,202.92

Finding the Fourth Proportional to 12,506.40, 17,259.38 and 7,202.92

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Solution

The fourth proportional to 12,506.40, 17,259.38 and 7,202.92 is: 9,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.40 : 17,259.38 = 7,202.92 : x
  2. Step 2: Convert to fraction form
    12,506.40/17,259.38 = 7,202.92/x
  3. Step 3: Cross multiply
    12,506.40x = 17,259.38 × 7,202.92
  4. Step 4: Simplify right side
    12,506.40x = 124,317,933.39
  5. Step 5: Solve for x
    x = 124,317,933.39/12,506.40
  6. Step 6: Final answer
    x = 9,940.35

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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.