Home / 10,120.95-15,163.20-9,511.02

Finding the Fourth Proportional to 10,120.95, 15,163.20 and 9,511.02

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Solution

The fourth proportional to 10,120.95, 15,163.20 and 9,511.02 is: 14,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.95 : 15,163.20 = 9,511.02 : x
  2. Step 2: Convert to fraction form
    10,120.95/15,163.20 = 9,511.02/x
  3. Step 3: Cross multiply
    10,120.95x = 15,163.20 × 9,511.02
  4. Step 4: Simplify right side
    10,120.95x = 144,217,498.46
  5. Step 5: Solve for x
    x = 144,217,498.46/10,120.95
  6. Step 6: Final answer
    x = 14,249.40

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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.