Home / 12,304.60-18,456.90-7,104.40

Finding the Fourth Proportional to 12,304.60, 18,456.90 and 7,104.40

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Solution

The fourth proportional to 12,304.60, 18,456.90 and 7,104.40 is: 10,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.60 : 18,456.90 = 7,104.40 : x
  2. Step 2: Convert to fraction form
    12,304.60/18,456.90 = 7,104.40/x
  3. Step 3: Cross multiply
    12,304.60x = 18,456.90 × 7,104.40
  4. Step 4: Simplify right side
    12,304.60x = 131,125,200.36
  5. Step 5: Solve for x
    x = 131,125,200.36/12,304.60
  6. Step 6: Final answer
    x = 10,656.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.