Home / 9,782.11-13,496.20-5,532.65

Finding the Fourth Proportional to 9,782.11, 13,496.20 and 5,532.65

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Solution

The fourth proportional to 9,782.11, 13,496.20 and 5,532.65 is: 7,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,782.11 : 13,496.20 = 5,532.65 : x
  2. Step 2: Convert to fraction form
    9,782.11/13,496.20 = 5,532.65/x
  3. Step 3: Cross multiply
    9,782.11x = 13,496.20 × 5,532.65
  4. Step 4: Simplify right side
    9,782.11x = 74,669,720.23
  5. Step 5: Solve for x
    x = 74,669,720.23/9,782.11
  6. Step 6: Final answer
    x = 7,633.29

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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.