Home / 9,350.24-12,903.91-5,158.49

Finding the Fourth Proportional to 9,350.24, 12,903.91 and 5,158.49

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Solution

The fourth proportional to 9,350.24, 12,903.91 and 5,158.49 is: 7,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.24 : 12,903.91 = 5,158.49 : x
  2. Step 2: Convert to fraction form
    9,350.24/12,903.91 = 5,158.49/x
  3. Step 3: Cross multiply
    9,350.24x = 12,903.91 × 5,158.49
  4. Step 4: Simplify right side
    9,350.24x = 66,564,613.28
  5. Step 5: Solve for x
    x = 66,564,613.28/9,350.24
  6. Step 6: Final answer
    x = 7,119.03

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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.