Home / 20,463.42-28,236.60-11,510.58

Finding the Fourth Proportional to 20,463.42, 28,236.60 and 11,510.58

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Solution

The fourth proportional to 20,463.42, 28,236.60 and 11,510.58 is: 15,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.42 : 28,236.60 = 11,510.58 : x
  2. Step 2: Convert to fraction form
    20,463.42/28,236.60 = 11,510.58/x
  3. Step 3: Cross multiply
    20,463.42x = 28,236.60 × 11,510.58
  4. Step 4: Simplify right side
    20,463.42x = 325,019,643.23
  5. Step 5: Solve for x
    x = 325,019,643.23/20,463.42
  6. Step 6: Final answer
    x = 15,882.96

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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.