Home / 12,060-18,079.54-4,669.83

Finding the Fourth Proportional to 12,060, 18,079.54 and 4,669.83

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Solution

The fourth proportional to 12,060, 18,079.54 and 4,669.83 is: 7,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060 : 18,079.54 = 4,669.83 : x
  2. Step 2: Convert to fraction form
    12,060/18,079.54 = 4,669.83/x
  3. Step 3: Cross multiply
    12,060x = 18,079.54 × 4,669.83
  4. Step 4: Simplify right side
    12,060x = 84,428,366.60
  5. Step 5: Solve for x
    x = 84,428,366.60/12,060
  6. Step 6: Final answer
    x = 7,000.69

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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.