Home / 9,434.32-13,019.48-5,242.56

Finding the Fourth Proportional to 9,434.32, 13,019.48 and 5,242.56

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Solution

The fourth proportional to 9,434.32, 13,019.48 and 5,242.56 is: 7,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.32 : 13,019.48 = 5,242.56 : x
  2. Step 2: Convert to fraction form
    9,434.32/13,019.48 = 5,242.56/x
  3. Step 3: Cross multiply
    9,434.32x = 13,019.48 × 5,242.56
  4. Step 4: Simplify right side
    9,434.32x = 68,255,405.07
  5. Step 5: Solve for x
    x = 68,255,405.07/9,434.32
  6. Step 6: Final answer
    x = 7,234.80

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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.