Home / 9,389.16-12,954.87-5,613.52

Finding the Fourth Proportional to 9,389.16, 12,954.87 and 5,613.52

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Solution

The fourth proportional to 9,389.16, 12,954.87 and 5,613.52 is: 7,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.16 : 12,954.87 = 5,613.52 : x
  2. Step 2: Convert to fraction form
    9,389.16/12,954.87 = 5,613.52/x
  3. Step 3: Cross multiply
    9,389.16x = 12,954.87 × 5,613.52
  4. Step 4: Simplify right side
    9,389.16x = 72,722,421.84
  5. Step 5: Solve for x
    x = 72,722,421.84/9,389.16
  6. Step 6: Final answer
    x = 7,745.36

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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.