Home / 9,439.62-13,026.70-5,247.88

Finding the Fourth Proportional to 9,439.62, 13,026.70 and 5,247.88

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Solution

The fourth proportional to 9,439.62, 13,026.70 and 5,247.88 is: 7,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.62 : 13,026.70 = 5,247.88 : x
  2. Step 2: Convert to fraction form
    9,439.62/13,026.70 = 5,247.88/x
  3. Step 3: Cross multiply
    9,439.62x = 13,026.70 × 5,247.88
  4. Step 4: Simplify right side
    9,439.62x = 68,362,558.40
  5. Step 5: Solve for x
    x = 68,362,558.40/9,439.62
  6. Step 6: Final answer
    x = 7,242.09

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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.