Home / 9,343.50-12,894.30-5,152.02

Finding the Fourth Proportional to 9,343.50, 12,894.30 and 5,152.02

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Solution

The fourth proportional to 9,343.50, 12,894.30 and 5,152.02 is: 7,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.50 : 12,894.30 = 5,152.02 : x
  2. Step 2: Convert to fraction form
    9,343.50/12,894.30 = 5,152.02/x
  3. Step 3: Cross multiply
    9,343.50x = 12,894.30 × 5,152.02
  4. Step 4: Simplify right side
    9,343.50x = 66,431,691.49
  5. Step 5: Solve for x
    x = 66,431,691.49/9,343.50
  6. Step 6: Final answer
    x = 7,109.94

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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.