Home / 17,672.28-26,507.58-5,191.80

Finding the Fourth Proportional to 17,672.28, 26,507.58 and 5,191.80

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Solution

The fourth proportional to 17,672.28, 26,507.58 and 5,191.80 is: 7,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.28 : 26,507.58 = 5,191.80 : x
  2. Step 2: Convert to fraction form
    17,672.28/26,507.58 = 5,191.80/x
  3. Step 3: Cross multiply
    17,672.28x = 26,507.58 × 5,191.80
  4. Step 4: Simplify right side
    17,672.28x = 137,622,053.84
  5. Step 5: Solve for x
    x = 137,622,053.84/17,672.28
  6. Step 6: Final answer
    x = 7,787.45

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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.