Home / 9,046.72-13,631.70-7,439.28

Finding the Fourth Proportional to 9,046.72, 13,631.70 and 7,439.28

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Solution

The fourth proportional to 9,046.72, 13,631.70 and 7,439.28 is: 11,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,046.72 : 13,631.70 = 7,439.28 : x
  2. Step 2: Convert to fraction form
    9,046.72/13,631.70 = 7,439.28/x
  3. Step 3: Cross multiply
    9,046.72x = 13,631.70 × 7,439.28
  4. Step 4: Simplify right side
    9,046.72x = 101,410,033.18
  5. Step 5: Solve for x
    x = 101,410,033.18/9,046.72
  6. Step 6: Final answer
    x = 11,209.59

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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.