Home / 10,334.40-15,498.90-2,938.02

Finding the Fourth Proportional to 10,334.40, 15,498.90 and 2,938.02

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Solution

The fourth proportional to 10,334.40, 15,498.90 and 2,938.02 is: 4,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.40 : 15,498.90 = 2,938.02 : x
  2. Step 2: Convert to fraction form
    10,334.40/15,498.90 = 2,938.02/x
  3. Step 3: Cross multiply
    10,334.40x = 15,498.90 × 2,938.02
  4. Step 4: Simplify right side
    10,334.40x = 45,536,078.18
  5. Step 5: Solve for x
    x = 45,536,078.18/10,334.40
  6. Step 6: Final answer
    x = 4,406.26

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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.