Home / 12,320.96-18,494.60-5,304.45

Finding the Fourth Proportional to 12,320.96, 18,494.60 and 5,304.45

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Solution

The fourth proportional to 12,320.96, 18,494.60 and 5,304.45 is: 7,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.96 : 18,494.60 = 5,304.45 : x
  2. Step 2: Convert to fraction form
    12,320.96/18,494.60 = 5,304.45/x
  3. Step 3: Cross multiply
    12,320.96x = 18,494.60 × 5,304.45
  4. Step 4: Simplify right side
    12,320.96x = 98,103,680.97
  5. Step 5: Solve for x
    x = 98,103,680.97/12,320.96
  6. Step 6: Final answer
    x = 7,962.34

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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.