Home / 17,065.28-25,601.90-5,378.20

Finding the Fourth Proportional to 17,065.28, 25,601.90 and 5,378.20

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Solution

The fourth proportional to 17,065.28, 25,601.90 and 5,378.20 is: 8,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,065.28 : 25,601.90 = 5,378.20 : x
  2. Step 2: Convert to fraction form
    17,065.28/25,601.90 = 5,378.20/x
  3. Step 3: Cross multiply
    17,065.28x = 25,601.90 × 5,378.20
  4. Step 4: Simplify right side
    17,065.28x = 137,692,138.58
  5. Step 5: Solve for x
    x = 137,692,138.58/17,065.28
  6. Step 6: Final answer
    x = 8,068.55

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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.