Home / 13,711.36-20,548.59-6,299.47

Finding the Fourth Proportional to 13,711.36, 20,548.59 and 6,299.47

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Solution

The fourth proportional to 13,711.36, 20,548.59 and 6,299.47 is: 9,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.36 : 20,548.59 = 6,299.47 : x
  2. Step 2: Convert to fraction form
    13,711.36/20,548.59 = 6,299.47/x
  3. Step 3: Cross multiply
    13,711.36x = 20,548.59 × 6,299.47
  4. Step 4: Simplify right side
    13,711.36x = 129,445,226.25
  5. Step 5: Solve for x
    x = 129,445,226.25/13,711.36
  6. Step 6: Final answer
    x = 9,440.73

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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.