Home / 10,268.31-15,402.47-4,343.66

Finding the Fourth Proportional to 10,268.31, 15,402.47 and 4,343.66

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Solution

The fourth proportional to 10,268.31, 15,402.47 and 4,343.66 is: 6,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.31 : 15,402.47 = 4,343.66 : x
  2. Step 2: Convert to fraction form
    10,268.31/15,402.47 = 4,343.66/x
  3. Step 3: Cross multiply
    10,268.31x = 15,402.47 × 4,343.66
  4. Step 4: Simplify right side
    10,268.31x = 66,903,032.62
  5. Step 5: Solve for x
    x = 66,903,032.62/10,268.31
  6. Step 6: Final answer
    x = 6,515.49

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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.