Home / 13,299.39-18,353.29-7,331.29

Finding the Fourth Proportional to 13,299.39, 18,353.29 and 7,331.29

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Solution

The fourth proportional to 13,299.39, 18,353.29 and 7,331.29 is: 10,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.39 : 18,353.29 = 7,331.29 : x
  2. Step 2: Convert to fraction form
    13,299.39/18,353.29 = 7,331.29/x
  3. Step 3: Cross multiply
    13,299.39x = 18,353.29 × 7,331.29
  4. Step 4: Simplify right side
    13,299.39x = 134,553,291.44
  5. Step 5: Solve for x
    x = 134,553,291.44/13,299.39
  6. Step 6: Final answer
    x = 10,117.25

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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.