Home / 10,042.34-15,062.19-2,647.35

Finding the Fourth Proportional to 10,042.34, 15,062.19 and 2,647.35

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Solution

The fourth proportional to 10,042.34, 15,062.19 and 2,647.35 is: 3,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.34 : 15,062.19 = 2,647.35 : x
  2. Step 2: Convert to fraction form
    10,042.34/15,062.19 = 2,647.35/x
  3. Step 3: Cross multiply
    10,042.34x = 15,062.19 × 2,647.35
  4. Step 4: Simplify right side
    10,042.34x = 39,874,888.70
  5. Step 5: Solve for x
    x = 39,874,888.70/10,042.34
  6. Step 6: Final answer
    x = 3,970.68

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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.