Home / 12,436.04-17,161.80-7,132.16

Finding the Fourth Proportional to 12,436.04, 17,161.80 and 7,132.16

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Solution

The fourth proportional to 12,436.04, 17,161.80 and 7,132.16 is: 9,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.04 : 17,161.80 = 7,132.16 : x
  2. Step 2: Convert to fraction form
    12,436.04/17,161.80 = 7,132.16/x
  3. Step 3: Cross multiply
    12,436.04x = 17,161.80 × 7,132.16
  4. Step 4: Simplify right side
    12,436.04x = 122,400,703.49
  5. Step 5: Solve for x
    x = 122,400,703.49/12,436.04
  6. Step 6: Final answer
    x = 9,842.42

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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.