Home / 9,315.22-13,972.62-4,382.12

Finding the Fourth Proportional to 9,315.22, 13,972.62 and 4,382.12

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Solution

The fourth proportional to 9,315.22, 13,972.62 and 4,382.12 is: 6,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.22 : 13,972.62 = 4,382.12 : x
  2. Step 2: Convert to fraction form
    9,315.22/13,972.62 = 4,382.12/x
  3. Step 3: Cross multiply
    9,315.22x = 13,972.62 × 4,382.12
  4. Step 4: Simplify right side
    9,315.22x = 61,229,697.55
  5. Step 5: Solve for x
    x = 61,229,697.55/9,315.22
  6. Step 6: Final answer
    x = 6,573.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.