Home / 9,047.22-13,632.46-7,439.78

Finding the Fourth Proportional to 9,047.22, 13,632.46 and 7,439.78

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Solution

The fourth proportional to 9,047.22, 13,632.46 and 7,439.78 is: 11,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.22 : 13,632.46 = 7,439.78 : x
  2. Step 2: Convert to fraction form
    9,047.22/13,632.46 = 7,439.78/x
  3. Step 3: Cross multiply
    9,047.22x = 13,632.46 × 7,439.78
  4. Step 4: Simplify right side
    9,047.22x = 101,422,444.40
  5. Step 5: Solve for x
    x = 101,422,444.40/9,047.22
  6. Step 6: Final answer
    x = 11,210.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.