Home / 14,411.11-21,616.60-5,639.84

Finding the Fourth Proportional to 14,411.11, 21,616.60 and 5,639.84

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Solution

The fourth proportional to 14,411.11, 21,616.60 and 5,639.84 is: 8,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.11 : 21,616.60 = 5,639.84 : x
  2. Step 2: Convert to fraction form
    14,411.11/21,616.60 = 5,639.84/x
  3. Step 3: Cross multiply
    14,411.11x = 21,616.60 × 5,639.84
  4. Step 4: Simplify right side
    14,411.11x = 121,914,165.34
  5. Step 5: Solve for x
    x = 121,914,165.34/14,411.11
  6. Step 6: Final answer
    x = 8,459.73

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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.