Home / 10,639.23-15,959.63-3,616.39

Finding the Fourth Proportional to 10,639.23, 15,959.63 and 3,616.39

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Solution

The fourth proportional to 10,639.23, 15,959.63 and 3,616.39 is: 5,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.23 : 15,959.63 = 3,616.39 : x
  2. Step 2: Convert to fraction form
    10,639.23/15,959.63 = 3,616.39/x
  3. Step 3: Cross multiply
    10,639.23x = 15,959.63 × 3,616.39
  4. Step 4: Simplify right side
    10,639.23x = 57,716,246.34
  5. Step 5: Solve for x
    x = 57,716,246.34/10,639.23
  6. Step 6: Final answer
    x = 5,424.85

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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.