Home / 9,223.53-12,728.45-5,031.75

Finding the Fourth Proportional to 9,223.53, 12,728.45 and 5,031.75

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Solution

The fourth proportional to 9,223.53, 12,728.45 and 5,031.75 is: 6,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.53 : 12,728.45 = 5,031.75 : x
  2. Step 2: Convert to fraction form
    9,223.53/12,728.45 = 5,031.75/x
  3. Step 3: Cross multiply
    9,223.53x = 12,728.45 × 5,031.75
  4. Step 4: Simplify right side
    9,223.53x = 64,046,353.13
  5. Step 5: Solve for x
    x = 64,046,353.13/9,223.53
  6. Step 6: Final answer
    x = 6,943.80

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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.