Home / 13,878.06-20,813.85-4,014.69

Finding the Fourth Proportional to 13,878.06, 20,813.85 and 4,014.69

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Solution

The fourth proportional to 13,878.06, 20,813.85 and 4,014.69 is: 6,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878.06 : 20,813.85 = 4,014.69 : x
  2. Step 2: Convert to fraction form
    13,878.06/20,813.85 = 4,014.69/x
  3. Step 3: Cross multiply
    13,878.06x = 20,813.85 × 4,014.69
  4. Step 4: Simplify right side
    13,878.06x = 83,561,155.46
  5. Step 5: Solve for x
    x = 83,561,155.46/13,878.06
  6. Step 6: Final answer
    x = 6,021.10

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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.