Home / 10,465.32-15,700.29-3,447.48

Finding the Fourth Proportional to 10,465.32, 15,700.29 and 3,447.48

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Solution

The fourth proportional to 10,465.32, 15,700.29 and 3,447.48 is: 5,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.32 : 15,700.29 = 3,447.48 : x
  2. Step 2: Convert to fraction form
    10,465.32/15,700.29 = 3,447.48/x
  3. Step 3: Cross multiply
    10,465.32x = 15,700.29 × 3,447.48
  4. Step 4: Simplify right side
    10,465.32x = 54,126,435.77
  5. Step 5: Solve for x
    x = 54,126,435.77/10,465.32
  6. Step 6: Final answer
    x = 5,171.98

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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.