Home / 14,261.81-21,383.60-6,851.52

Finding the Fourth Proportional to 14,261.81, 21,383.60 and 6,851.52

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Solution

The fourth proportional to 14,261.81, 21,383.60 and 6,851.52 is: 10,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.81 : 21,383.60 = 6,851.52 : x
  2. Step 2: Convert to fraction form
    14,261.81/21,383.60 = 6,851.52/x
  3. Step 3: Cross multiply
    14,261.81x = 21,383.60 × 6,851.52
  4. Step 4: Simplify right side
    14,261.81x = 146,510,128.81
  5. Step 5: Solve for x
    x = 146,510,128.81/14,261.81
  6. Step 6: Final answer
    x = 10,272.90

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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.