Home / 12,452.10-18,678.33-4,020.18

Finding the Fourth Proportional to 12,452.10, 18,678.33 and 4,020.18

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Solution

The fourth proportional to 12,452.10, 18,678.33 and 4,020.18 is: 6,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.10 : 18,678.33 = 4,020.18 : x
  2. Step 2: Convert to fraction form
    12,452.10/18,678.33 = 4,020.18/x
  3. Step 3: Cross multiply
    12,452.10x = 18,678.33 × 4,020.18
  4. Step 4: Simplify right side
    12,452.10x = 75,090,248.70
  5. Step 5: Solve for x
    x = 75,090,248.70/12,452.10
  6. Step 6: Final answer
    x = 6,030.33

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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.