Home / 12,456.04-17,189.34-6,867.04

Finding the Fourth Proportional to 12,456.04, 17,189.34 and 6,867.04

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Solution

The fourth proportional to 12,456.04, 17,189.34 and 6,867.04 is: 9,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456.04 : 17,189.34 = 6,867.04 : x
  2. Step 2: Convert to fraction form
    12,456.04/17,189.34 = 6,867.04/x
  3. Step 3: Cross multiply
    12,456.04x = 17,189.34 × 6,867.04
  4. Step 4: Simplify right side
    12,456.04x = 118,039,885.35
  5. Step 5: Solve for x
    x = 118,039,885.35/12,456.04
  6. Step 6: Final answer
    x = 9,476.52

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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.