Home / 10,348.64-15,518.43-2,951.45

Finding the Fourth Proportional to 10,348.64, 15,518.43 and 2,951.45

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Solution

The fourth proportional to 10,348.64, 15,518.43 and 2,951.45 is: 4,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.64 : 15,518.43 = 2,951.45 : x
  2. Step 2: Convert to fraction form
    10,348.64/15,518.43 = 2,951.45/x
  3. Step 3: Cross multiply
    10,348.64x = 15,518.43 × 2,951.45
  4. Step 4: Simplify right side
    10,348.64x = 45,801,792.63
  5. Step 5: Solve for x
    x = 45,801,792.63/10,348.64
  6. Step 6: Final answer
    x = 4,425.88

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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.