Home / 17,176.95-25,772.76-7,320.87

Finding the Fourth Proportional to 17,176.95, 25,772.76 and 7,320.87

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Solution

The fourth proportional to 17,176.95, 25,772.76 and 7,320.87 is: 10,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.95 : 25,772.76 = 7,320.87 : x
  2. Step 2: Convert to fraction form
    17,176.95/25,772.76 = 7,320.87/x
  3. Step 3: Cross multiply
    17,176.95x = 25,772.76 × 7,320.87
  4. Step 4: Simplify right side
    17,176.95x = 188,679,025.50
  5. Step 5: Solve for x
    x = 188,679,025.50/17,176.95
  6. Step 6: Final answer
    x = 10,984.43

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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.