Home / 15,118.94-22,682.52-5,258.78

Finding the Fourth Proportional to 15,118.94, 22,682.52 and 5,258.78

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Solution

The fourth proportional to 15,118.94, 22,682.52 and 5,258.78 is: 7,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.94 : 22,682.52 = 5,258.78 : x
  2. Step 2: Convert to fraction form
    15,118.94/22,682.52 = 5,258.78/x
  3. Step 3: Cross multiply
    15,118.94x = 22,682.52 × 5,258.78
  4. Step 4: Simplify right side
    15,118.94x = 119,282,382.53
  5. Step 5: Solve for x
    x = 119,282,382.53/15,118.94
  6. Step 6: Final answer
    x = 7,889.60

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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.