Home / 12,304.10-16,981.02-6,999.94

Finding the Fourth Proportional to 12,304.10, 16,981.02 and 6,999.94

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Solution

The fourth proportional to 12,304.10, 16,981.02 and 6,999.94 is: 9,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.10 : 16,981.02 = 6,999.94 : x
  2. Step 2: Convert to fraction form
    12,304.10/16,981.02 = 6,999.94/x
  3. Step 3: Cross multiply
    12,304.10x = 16,981.02 × 6,999.94
  4. Step 4: Simplify right side
    12,304.10x = 118,866,121.14
  5. Step 5: Solve for x
    x = 118,866,121.14/12,304.10
  6. Step 6: Final answer
    x = 9,660.69

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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.