Home / 9,722.58-13,418.37-5,532.18

Finding the Fourth Proportional to 9,722.58, 13,418.37 and 5,532.18

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Solution

The fourth proportional to 9,722.58, 13,418.37 and 5,532.18 is: 7,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.58 : 13,418.37 = 5,532.18 : x
  2. Step 2: Convert to fraction form
    9,722.58/13,418.37 = 5,532.18/x
  3. Step 3: Cross multiply
    9,722.58x = 13,418.37 × 5,532.18
  4. Step 4: Simplify right side
    9,722.58x = 74,232,838.15
  5. Step 5: Solve for x
    x = 74,232,838.15/9,722.58
  6. Step 6: Final answer
    x = 7,635.10

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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.