Home / 11,408.27-15,750.81-10,211.18

Finding the Fourth Proportional to 11,408.27, 15,750.81 and 10,211.18

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Solution

The fourth proportional to 11,408.27, 15,750.81 and 10,211.18 is: 14,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.27 : 15,750.81 = 10,211.18 : x
  2. Step 2: Convert to fraction form
    11,408.27/15,750.81 = 10,211.18/x
  3. Step 3: Cross multiply
    11,408.27x = 15,750.81 × 10,211.18
  4. Step 4: Simplify right side
    11,408.27x = 160,834,277.30
  5. Step 5: Solve for x
    x = 160,834,277.30/11,408.27
  6. Step 6: Final answer
    x = 14,098.05

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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.