Home / 15,170.36-22,750.92-5,307.80

Finding the Fourth Proportional to 15,170.36, 22,750.92 and 5,307.80

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Solution

The fourth proportional to 15,170.36, 22,750.92 and 5,307.80 is: 7,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.36 : 22,750.92 = 5,307.80 : x
  2. Step 2: Convert to fraction form
    15,170.36/22,750.92 = 5,307.80/x
  3. Step 3: Cross multiply
    15,170.36x = 22,750.92 × 5,307.80
  4. Step 4: Simplify right side
    15,170.36x = 120,757,333.18
  5. Step 5: Solve for x
    x = 120,757,333.18/15,170.36
  6. Step 6: Final answer
    x = 7,960.08

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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.