Home / 10,191.95-15,287.84-3,266.45

Finding the Fourth Proportional to 10,191.95, 15,287.84 and 3,266.45

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Solution

The fourth proportional to 10,191.95, 15,287.84 and 3,266.45 is: 4,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.95 : 15,287.84 = 3,266.45 : x
  2. Step 2: Convert to fraction form
    10,191.95/15,287.84 = 3,266.45/x
  3. Step 3: Cross multiply
    10,191.95x = 15,287.84 × 3,266.45
  4. Step 4: Simplify right side
    10,191.95x = 49,936,948.64
  5. Step 5: Solve for x
    x = 49,936,948.64/10,191.95
  6. Step 6: Final answer
    x = 4,899.65

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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.