Home / 19,628.19-29,442.24-7,949.61

Finding the Fourth Proportional to 19,628.19, 29,442.24 and 7,949.61

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Solution

The fourth proportional to 19,628.19, 29,442.24 and 7,949.61 is: 11,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.19 : 29,442.24 = 7,949.61 : x
  2. Step 2: Convert to fraction form
    19,628.19/29,442.24 = 7,949.61/x
  3. Step 3: Cross multiply
    19,628.19x = 29,442.24 × 7,949.61
  4. Step 4: Simplify right side
    19,628.19x = 234,054,325.53
  5. Step 5: Solve for x
    x = 234,054,325.53/19,628.19
  6. Step 6: Final answer
    x = 11,924.40

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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.