Home / 13,553.84-20,329.56-4,788.32

Finding the Fourth Proportional to 13,553.84, 20,329.56 and 4,788.32

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Solution

The fourth proportional to 13,553.84, 20,329.56 and 4,788.32 is: 7,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.84 : 20,329.56 = 4,788.32 : x
  2. Step 2: Convert to fraction form
    13,553.84/20,329.56 = 4,788.32/x
  3. Step 3: Cross multiply
    13,553.84x = 20,329.56 × 4,788.32
  4. Step 4: Simplify right side
    13,553.84x = 97,344,438.74
  5. Step 5: Solve for x
    x = 97,344,438.74/13,553.84
  6. Step 6: Final answer
    x = 7,182.06

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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.