Home / 10,010.34-15,017.66-2,990.91

Finding the Fourth Proportional to 10,010.34, 15,017.66 and 2,990.91

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Solution

The fourth proportional to 10,010.34, 15,017.66 and 2,990.91 is: 4,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.34 : 15,017.66 = 2,990.91 : x
  2. Step 2: Convert to fraction form
    10,010.34/15,017.66 = 2,990.91/x
  3. Step 3: Cross multiply
    10,010.34x = 15,017.66 × 2,990.91
  4. Step 4: Simplify right side
    10,010.34x = 44,916,454.52
  5. Step 5: Solve for x
    x = 44,916,454.52/10,010.34
  6. Step 6: Final answer
    x = 4,487.01

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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.