Home / 14,639.68-21,959.70-4,109.10

Finding the Fourth Proportional to 14,639.68, 21,959.70 and 4,109.10

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Solution

The fourth proportional to 14,639.68, 21,959.70 and 4,109.10 is: 6,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.68 : 21,959.70 = 4,109.10 : x
  2. Step 2: Convert to fraction form
    14,639.68/21,959.70 = 4,109.10/x
  3. Step 3: Cross multiply
    14,639.68x = 21,959.70 × 4,109.10
  4. Step 4: Simplify right side
    14,639.68x = 90,234,603.27
  5. Step 5: Solve for x
    x = 90,234,603.27/14,639.68
  6. Step 6: Final answer
    x = 6,163.70

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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.