Home / 12,483.10-18,727.30-4,691.98

Finding the Fourth Proportional to 12,483.10, 18,727.30 and 4,691.98

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Solution

The fourth proportional to 12,483.10, 18,727.30 and 4,691.98 is: 7,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.10 : 18,727.30 = 4,691.98 : x
  2. Step 2: Convert to fraction form
    12,483.10/18,727.30 = 4,691.98/x
  3. Step 3: Cross multiply
    12,483.10x = 18,727.30 × 4,691.98
  4. Step 4: Simplify right side
    12,483.10x = 87,868,117.05
  5. Step 5: Solve for x
    x = 87,868,117.05/12,483.10
  6. Step 6: Final answer
    x = 7,038.97

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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.