Home / 13,298.23-18,351.57-7,330.15

Finding the Fourth Proportional to 13,298.23, 18,351.57 and 7,330.15

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Solution

The fourth proportional to 13,298.23, 18,351.57 and 7,330.15 is: 10,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.23 : 18,351.57 = 7,330.15 : x
  2. Step 2: Convert to fraction form
    13,298.23/18,351.57 = 7,330.15/x
  3. Step 3: Cross multiply
    13,298.23x = 18,351.57 × 7,330.15
  4. Step 4: Simplify right side
    13,298.23x = 134,519,760.84
  5. Step 5: Solve for x
    x = 134,519,760.84/13,298.23
  6. Step 6: Final answer
    x = 10,115.61

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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.