Home / 10,095.80-15,146.22-9,928.38

Finding the Fourth Proportional to 10,095.80, 15,146.22 and 9,928.38

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Solution

The fourth proportional to 10,095.80, 15,146.22 and 9,928.38 is: 14,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.80 : 15,146.22 = 9,928.38 : x
  2. Step 2: Convert to fraction form
    10,095.80/15,146.22 = 9,928.38/x
  3. Step 3: Cross multiply
    10,095.80x = 15,146.22 × 9,928.38
  4. Step 4: Simplify right side
    10,095.80x = 150,377,427.72
  5. Step 5: Solve for x
    x = 150,377,427.72/10,095.80
  6. Step 6: Final answer
    x = 14,895.05

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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.