Home / 9,434.09-13,019.19-5,242.34

Finding the Fourth Proportional to 9,434.09, 13,019.19 and 5,242.34

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Solution

The fourth proportional to 9,434.09, 13,019.19 and 5,242.34 is: 7,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.09 : 13,019.19 = 5,242.34 : x
  2. Step 2: Convert to fraction form
    9,434.09/13,019.19 = 5,242.34/x
  3. Step 3: Cross multiply
    9,434.09x = 13,019.19 × 5,242.34
  4. Step 4: Simplify right side
    9,434.09x = 68,251,020.50
  5. Step 5: Solve for x
    x = 68,251,020.50/9,434.09
  6. Step 6: Final answer
    x = 7,234.51

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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.