Home / 10,343.19-14,273.91-5,627.78

Finding the Fourth Proportional to 10,343.19, 14,273.91 and 5,627.78

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Solution

The fourth proportional to 10,343.19, 14,273.91 and 5,627.78 is: 7,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.19 : 14,273.91 = 5,627.78 : x
  2. Step 2: Convert to fraction form
    10,343.19/14,273.91 = 5,627.78/x
  3. Step 3: Cross multiply
    10,343.19x = 14,273.91 × 5,627.78
  4. Step 4: Simplify right side
    10,343.19x = 80,330,325.71
  5. Step 5: Solve for x
    x = 80,330,325.71/10,343.19
  6. Step 6: Final answer
    x = 7,766.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.