Home / 10,515.81-15,773.72-2,724.63

Finding the Fourth Proportional to 10,515.81, 15,773.72 and 2,724.63

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Solution

The fourth proportional to 10,515.81, 15,773.72 and 2,724.63 is: 4,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.81 : 15,773.72 = 2,724.63 : x
  2. Step 2: Convert to fraction form
    10,515.81/15,773.72 = 2,724.63/x
  3. Step 3: Cross multiply
    10,515.81x = 15,773.72 × 2,724.63
  4. Step 4: Simplify right side
    10,515.81x = 42,977,550.72
  5. Step 5: Solve for x
    x = 42,977,550.72/10,515.81
  6. Step 6: Final answer
    x = 4,086.95

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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.