Home / 12,359.70-18,543.60-4,962.18

Finding the Fourth Proportional to 12,359.70, 18,543.60 and 4,962.18

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Solution

The fourth proportional to 12,359.70, 18,543.60 and 4,962.18 is: 7,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.70 : 18,543.60 = 4,962.18 : x
  2. Step 2: Convert to fraction form
    12,359.70/18,543.60 = 4,962.18/x
  3. Step 3: Cross multiply
    12,359.70x = 18,543.60 × 4,962.18
  4. Step 4: Simplify right side
    12,359.70x = 92,016,681.05
  5. Step 5: Solve for x
    x = 92,016,681.05/12,359.70
  6. Step 6: Final answer
    x = 7,444.90

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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.