Home / 12,306.14-16,984.08-6,999.93

Finding the Fourth Proportional to 12,306.14, 16,984.08 and 6,999.93

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Solution

The fourth proportional to 12,306.14, 16,984.08 and 6,999.93 is: 9,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.14 : 16,984.08 = 6,999.93 : x
  2. Step 2: Convert to fraction form
    12,306.14/16,984.08 = 6,999.93/x
  3. Step 3: Cross multiply
    12,306.14x = 16,984.08 × 6,999.93
  4. Step 4: Simplify right side
    12,306.14x = 118,887,371.11
  5. Step 5: Solve for x
    x = 118,887,371.11/12,306.14
  6. Step 6: Final answer
    x = 9,660.82

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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.