Home / 9,456.79-13,022.19-9,246.99

Finding the Fourth Proportional to 9,456.79, 13,022.19 and 9,246.99

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Solution

The fourth proportional to 9,456.79, 13,022.19 and 9,246.99 is: 12,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,456.79 : 13,022.19 = 9,246.99 : x
  2. Step 2: Convert to fraction form
    9,456.79/13,022.19 = 9,246.99/x
  3. Step 3: Cross multiply
    9,456.79x = 13,022.19 × 9,246.99
  4. Step 4: Simplify right side
    9,456.79x = 120,415,995.60
  5. Step 5: Solve for x
    x = 120,415,995.60/9,456.79
  6. Step 6: Final answer
    x = 12,733.29

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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.