Home / 13,840.51-20,767.73-5,536.75

Finding the Fourth Proportional to 13,840.51, 20,767.73 and 5,536.75

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Solution

The fourth proportional to 13,840.51, 20,767.73 and 5,536.75 is: 8,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.51 : 20,767.73 = 5,536.75 : x
  2. Step 2: Convert to fraction form
    13,840.51/20,767.73 = 5,536.75/x
  3. Step 3: Cross multiply
    13,840.51x = 20,767.73 × 5,536.75
  4. Step 4: Simplify right side
    13,840.51x = 114,985,729.08
  5. Step 5: Solve for x
    x = 114,985,729.08/13,840.51
  6. Step 6: Final answer
    x = 8,307.91

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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.