Home / 13,899.80-20,859.45-6,114.08

Finding the Fourth Proportional to 13,899.80, 20,859.45 and 6,114.08

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Solution

The fourth proportional to 13,899.80, 20,859.45 and 6,114.08 is: 9,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.80 : 20,859.45 = 6,114.08 : x
  2. Step 2: Convert to fraction form
    13,899.80/20,859.45 = 6,114.08/x
  3. Step 3: Cross multiply
    13,899.80x = 20,859.45 × 6,114.08
  4. Step 4: Simplify right side
    13,899.80x = 127,536,346.06
  5. Step 5: Solve for x
    x = 127,536,346.06/13,899.80
  6. Step 6: Final answer
    x = 9,175.41

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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.