Home / 15,174.06-22,771.42-9,312.78

Finding the Fourth Proportional to 15,174.06, 22,771.42 and 9,312.78

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Solution

The fourth proportional to 15,174.06, 22,771.42 and 9,312.78 is: 13,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.06 : 22,771.42 = 9,312.78 : x
  2. Step 2: Convert to fraction form
    15,174.06/22,771.42 = 9,312.78/x
  3. Step 3: Cross multiply
    15,174.06x = 22,771.42 × 9,312.78
  4. Step 4: Simplify right side
    15,174.06x = 212,065,224.75
  5. Step 5: Solve for x
    x = 212,065,224.75/15,174.06
  6. Step 6: Final answer
    x = 13,975.51

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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.