Home / 12,304.62-16,980.75-7,000.20

Finding the Fourth Proportional to 12,304.62, 16,980.75 and 7,000.20

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Solution

The fourth proportional to 12,304.62, 16,980.75 and 7,000.20 is: 9,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.62 : 16,980.75 = 7,000.20 : x
  2. Step 2: Convert to fraction form
    12,304.62/16,980.75 = 7,000.20/x
  3. Step 3: Cross multiply
    12,304.62x = 16,980.75 × 7,000.20
  4. Step 4: Simplify right side
    12,304.62x = 118,868,646.15
  5. Step 5: Solve for x
    x = 118,868,646.15/12,304.62
  6. Step 6: Final answer
    x = 9,660.49

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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.