Home / 14,103.70-21,155.55-5,338.90

Finding the Fourth Proportional to 14,103.70, 21,155.55 and 5,338.90

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Solution

The fourth proportional to 14,103.70, 21,155.55 and 5,338.90 is: 8,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.70 : 21,155.55 = 5,338.90 : x
  2. Step 2: Convert to fraction form
    14,103.70/21,155.55 = 5,338.90/x
  3. Step 3: Cross multiply
    14,103.70x = 21,155.55 × 5,338.90
  4. Step 4: Simplify right side
    14,103.70x = 112,947,365.90
  5. Step 5: Solve for x
    x = 112,947,365.90/14,103.70
  6. Step 6: Final answer
    x = 8,008.35

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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.