Home / 12,585.23-18,876.55-4,265.03

Finding the Fourth Proportional to 12,585.23, 18,876.55 and 4,265.03

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Solution

The fourth proportional to 12,585.23, 18,876.55 and 4,265.03 is: 6,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.23 : 18,876.55 = 4,265.03 : x
  2. Step 2: Convert to fraction form
    12,585.23/18,876.55 = 4,265.03/x
  3. Step 3: Cross multiply
    12,585.23x = 18,876.55 × 4,265.03
  4. Step 4: Simplify right side
    12,585.23x = 80,509,030.72
  5. Step 5: Solve for x
    x = 80,509,030.72/12,585.23
  6. Step 6: Final answer
    x = 6,397.10

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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.