Home / 9,439.23-13,026.78-6,247.02

Finding the Fourth Proportional to 9,439.23, 13,026.78 and 6,247.02

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Solution

The fourth proportional to 9,439.23, 13,026.78 and 6,247.02 is: 8,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.23 : 13,026.78 = 6,247.02 : x
  2. Step 2: Convert to fraction form
    9,439.23/13,026.78 = 6,247.02/x
  3. Step 3: Cross multiply
    9,439.23x = 13,026.78 × 6,247.02
  4. Step 4: Simplify right side
    9,439.23x = 81,378,555.20
  5. Step 5: Solve for x
    x = 81,378,555.20/9,439.23
  6. Step 6: Final answer
    x = 8,621.31

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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.