Home / 9,389.27-12,957.21-5,197.52

Finding the Fourth Proportional to 9,389.27, 12,957.21 and 5,197.52

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Solution

The fourth proportional to 9,389.27, 12,957.21 and 5,197.52 is: 7,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.27 : 12,957.21 = 5,197.52 : x
  2. Step 2: Convert to fraction form
    9,389.27/12,957.21 = 5,197.52/x
  3. Step 3: Cross multiply
    9,389.27x = 12,957.21 × 5,197.52
  4. Step 4: Simplify right side
    9,389.27x = 67,345,293.33
  5. Step 5: Solve for x
    x = 67,345,293.33/9,389.27
  6. Step 6: Final answer
    x = 7,172.58

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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.