Home / 10,191.06-15,286.08-2,795.40

Finding the Fourth Proportional to 10,191.06, 15,286.08 and 2,795.40

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Solution

The fourth proportional to 10,191.06, 15,286.08 and 2,795.40 is: 4,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.06 : 15,286.08 = 2,795.40 : x
  2. Step 2: Convert to fraction form
    10,191.06/15,286.08 = 2,795.40/x
  3. Step 3: Cross multiply
    10,191.06x = 15,286.08 × 2,795.40
  4. Step 4: Simplify right side
    10,191.06x = 42,730,708.03
  5. Step 5: Solve for x
    x = 42,730,708.03/10,191.06
  6. Step 6: Final answer
    x = 4,192.96

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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.