Home / 12,442.84-17,166.12-7,407.26

Finding the Fourth Proportional to 12,442.84, 17,166.12 and 7,407.26

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Solution

The fourth proportional to 12,442.84, 17,166.12 and 7,407.26 is: 10,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.84 : 17,166.12 = 7,407.26 : x
  2. Step 2: Convert to fraction form
    12,442.84/17,166.12 = 7,407.26/x
  3. Step 3: Cross multiply
    12,442.84x = 17,166.12 × 7,407.26
  4. Step 4: Simplify right side
    12,442.84x = 127,153,914.03
  5. Step 5: Solve for x
    x = 127,153,914.03/12,442.84
  6. Step 6: Final answer
    x = 10,219.04

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Similar ratio
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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.