Home / 14,293.84-21,442.20-3,905.68

Finding the Fourth Proportional to 14,293.84, 21,442.20 and 3,905.68

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Solution

The fourth proportional to 14,293.84, 21,442.20 and 3,905.68 is: 5,858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.84 : 21,442.20 = 3,905.68 : x
  2. Step 2: Convert to fraction form
    14,293.84/21,442.20 = 3,905.68/x
  3. Step 3: Cross multiply
    14,293.84x = 21,442.20 × 3,905.68
  4. Step 4: Simplify right side
    14,293.84x = 83,746,371.70
  5. Step 5: Solve for x
    x = 83,746,371.70/14,293.84
  6. Step 6: Final answer
    x = 5,858.91

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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.