Home / 9,223.50-12,728.43-5,031.75

Finding the Fourth Proportional to 9,223.50, 12,728.43 and 5,031.75

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Solution

The fourth proportional to 9,223.50, 12,728.43 and 5,031.75 is: 6,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.50 : 12,728.43 = 5,031.75 : x
  2. Step 2: Convert to fraction form
    9,223.50/12,728.43 = 5,031.75/x
  3. Step 3: Cross multiply
    9,223.50x = 12,728.43 × 5,031.75
  4. Step 4: Simplify right side
    9,223.50x = 64,046,277.65
  5. Step 5: Solve for x
    x = 64,046,277.65/9,223.50
  6. Step 6: Final answer
    x = 6,943.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.