Home / 10,431.06-15,646.11-3,035.34

Finding the Fourth Proportional to 10,431.06, 15,646.11 and 3,035.34

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Solution

The fourth proportional to 10,431.06, 15,646.11 and 3,035.34 is: 4,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.06 : 15,646.11 = 3,035.34 : x
  2. Step 2: Convert to fraction form
    10,431.06/15,646.11 = 3,035.34/x
  3. Step 3: Cross multiply
    10,431.06x = 15,646.11 × 3,035.34
  4. Step 4: Simplify right side
    10,431.06x = 47,491,263.53
  5. Step 5: Solve for x
    x = 47,491,263.53/10,431.06
  6. Step 6: Final answer
    x = 4,552.87

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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.