Home / 10,282.39-15,423.57-2,491.18

Finding the Fourth Proportional to 10,282.39, 15,423.57 and 2,491.18

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Solution

The fourth proportional to 10,282.39, 15,423.57 and 2,491.18 is: 3,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.39 : 15,423.57 = 2,491.18 : x
  2. Step 2: Convert to fraction form
    10,282.39/15,423.57 = 2,491.18/x
  3. Step 3: Cross multiply
    10,282.39x = 15,423.57 × 2,491.18
  4. Step 4: Simplify right side
    10,282.39x = 38,422,889.11
  5. Step 5: Solve for x
    x = 38,422,889.11/10,282.39
  6. Step 6: Final answer
    x = 3,736.77

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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.