Home / 12,403.70-18,605.55-4,610.90

Finding the Fourth Proportional to 12,403.70, 18,605.55 and 4,610.90

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Solution

The fourth proportional to 12,403.70, 18,605.55 and 4,610.90 is: 6,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.70 : 18,605.55 = 4,610.90 : x
  2. Step 2: Convert to fraction form
    12,403.70/18,605.55 = 4,610.90/x
  3. Step 3: Cross multiply
    12,403.70x = 18,605.55 × 4,610.90
  4. Step 4: Simplify right side
    12,403.70x = 85,788,330.50
  5. Step 5: Solve for x
    x = 85,788,330.50/12,403.70
  6. Step 6: Final answer
    x = 6,916.35

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Similar ratio
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1.5x scale

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.