Home / 15,752.76-21,708.90-11,268.73

Finding the Fourth Proportional to 15,752.76, 21,708.90 and 11,268.73

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Solution

The fourth proportional to 15,752.76, 21,708.90 and 11,268.73 is: 15,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752.76 : 21,708.90 = 11,268.73 : x
  2. Step 2: Convert to fraction form
    15,752.76/21,708.90 = 11,268.73/x
  3. Step 3: Cross multiply
    15,752.76x = 21,708.90 × 11,268.73
  4. Step 4: Simplify right side
    15,752.76x = 244,631,732.70
  5. Step 5: Solve for x
    x = 244,631,732.70/15,752.76
  6. Step 6: Final answer
    x = 15,529.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.