Home / 10,348.89-15,518.80-2,951.70

Finding the Fourth Proportional to 10,348.89, 15,518.80 and 2,951.70

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Solution

The fourth proportional to 10,348.89, 15,518.80 and 2,951.70 is: 4,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.89 : 15,518.80 = 2,951.70 : x
  2. Step 2: Convert to fraction form
    10,348.89/15,518.80 = 2,951.70/x
  3. Step 3: Cross multiply
    10,348.89x = 15,518.80 × 2,951.70
  4. Step 4: Simplify right side
    10,348.89x = 45,806,841.96
  5. Step 5: Solve for x
    x = 45,806,841.96/10,348.89
  6. Step 6: Final answer
    x = 4,426.26

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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.