Home / 9,722.40-13,416.96-5,530.56

Finding the Fourth Proportional to 9,722.40, 13,416.96 and 5,530.56

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Solution

The fourth proportional to 9,722.40, 13,416.96 and 5,530.56 is: 7,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.40 : 13,416.96 = 5,530.56 : x
  2. Step 2: Convert to fraction form
    9,722.40/13,416.96 = 5,530.56/x
  3. Step 3: Cross multiply
    9,722.40x = 13,416.96 × 5,530.56
  4. Step 4: Simplify right side
    9,722.40x = 74,203,302.30
  5. Step 5: Solve for x
    x = 74,203,302.30/9,722.40
  6. Step 6: Final answer
    x = 7,632.20

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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.