Home / 9,428.68-13,011.24-5,236.84

Finding the Fourth Proportional to 9,428.68, 13,011.24 and 5,236.84

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Solution

The fourth proportional to 9,428.68, 13,011.24 and 5,236.84 is: 7,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.68 : 13,011.24 = 5,236.84 : x
  2. Step 2: Convert to fraction form
    9,428.68/13,011.24 = 5,236.84/x
  3. Step 3: Cross multiply
    9,428.68x = 13,011.24 × 5,236.84
  4. Step 4: Simplify right side
    9,428.68x = 68,137,782.08
  5. Step 5: Solve for x
    x = 68,137,782.08/9,428.68
  6. Step 6: Final answer
    x = 7,226.65

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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.