Home / 10,199.26-15,273.51-6,490.54

Finding the Fourth Proportional to 10,199.26, 15,273.51 and 6,490.54

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Solution

The fourth proportional to 10,199.26, 15,273.51 and 6,490.54 is: 9,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.26 : 15,273.51 = 6,490.54 : x
  2. Step 2: Convert to fraction form
    10,199.26/15,273.51 = 6,490.54/x
  3. Step 3: Cross multiply
    10,199.26x = 15,273.51 × 6,490.54
  4. Step 4: Simplify right side
    10,199.26x = 99,133,327.60
  5. Step 5: Solve for x
    x = 99,133,327.60/10,199.26
  6. Step 6: Final answer
    x = 9,719.66

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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.