Home / 13,298.59-18,351.96-7,330.26

Finding the Fourth Proportional to 13,298.59, 18,351.96 and 7,330.26

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Solution

The fourth proportional to 13,298.59, 18,351.96 and 7,330.26 is: 10,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.59 : 18,351.96 = 7,330.26 : x
  2. Step 2: Convert to fraction form
    13,298.59/18,351.96 = 7,330.26/x
  3. Step 3: Cross multiply
    13,298.59x = 18,351.96 × 7,330.26
  4. Step 4: Simplify right side
    13,298.59x = 134,524,638.31
  5. Step 5: Solve for x
    x = 134,524,638.31/13,298.59
  6. Step 6: Final answer
    x = 10,115.71

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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.