Home / 13,301.27-18,355.65-7,333.19

Finding the Fourth Proportional to 13,301.27, 18,355.65 and 7,333.19

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Solution

The fourth proportional to 13,301.27, 18,355.65 and 7,333.19 is: 10,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.27 : 18,355.65 = 7,333.19 : x
  2. Step 2: Convert to fraction form
    13,301.27/18,355.65 = 7,333.19/x
  3. Step 3: Cross multiply
    13,301.27x = 18,355.65 × 7,333.19
  4. Step 4: Simplify right side
    13,301.27x = 134,605,469.02
  5. Step 5: Solve for x
    x = 134,605,469.02/13,301.27
  6. Step 6: Final answer
    x = 10,119.75

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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.