Home / 13,557.48-20,344.82-5,766.28

Finding the Fourth Proportional to 13,557.48, 20,344.82 and 5,766.28

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Solution

The fourth proportional to 13,557.48, 20,344.82 and 5,766.28 is: 8,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.48 : 20,344.82 = 5,766.28 : x
  2. Step 2: Convert to fraction form
    13,557.48/20,344.82 = 5,766.28/x
  3. Step 3: Cross multiply
    13,557.48x = 20,344.82 × 5,766.28
  4. Step 4: Simplify right side
    13,557.48x = 117,313,928.67
  5. Step 5: Solve for x
    x = 117,313,928.67/13,557.48
  6. Step 6: Final answer
    x = 8,653.08

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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.