Home / 12,445.32-17,190.90-9,296.04

Finding the Fourth Proportional to 12,445.32, 17,190.90 and 9,296.04

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Solution

The fourth proportional to 12,445.32, 17,190.90 and 9,296.04 is: 12,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.32 : 17,190.90 = 9,296.04 : x
  2. Step 2: Convert to fraction form
    12,445.32/17,190.90 = 9,296.04/x
  3. Step 3: Cross multiply
    12,445.32x = 17,190.90 × 9,296.04
  4. Step 4: Simplify right side
    12,445.32x = 159,807,294.04
  5. Step 5: Solve for x
    x = 159,807,294.04/12,445.32
  6. Step 6: Final answer
    x = 12,840.75

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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.