Home / 9,501.22-13,111.20-5,521.69

Finding the Fourth Proportional to 9,501.22, 13,111.20 and 5,521.69

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Solution

The fourth proportional to 9,501.22, 13,111.20 and 5,521.69 is: 7,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,501.22 : 13,111.20 = 5,521.69 : x
  2. Step 2: Convert to fraction form
    9,501.22/13,111.20 = 5,521.69/x
  3. Step 3: Cross multiply
    9,501.22x = 13,111.20 × 5,521.69
  4. Step 4: Simplify right side
    9,501.22x = 72,395,981.93
  5. Step 5: Solve for x
    x = 72,395,981.93/9,501.22
  6. Step 6: Final answer
    x = 7,619.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.