Home / 13,354.87-20,036.93-5,037.28

Finding the Fourth Proportional to 13,354.87, 20,036.93 and 5,037.28

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Solution

The fourth proportional to 13,354.87, 20,036.93 and 5,037.28 is: 7,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.87 : 20,036.93 = 5,037.28 : x
  2. Step 2: Convert to fraction form
    13,354.87/20,036.93 = 5,037.28/x
  3. Step 3: Cross multiply
    13,354.87x = 20,036.93 × 5,037.28
  4. Step 4: Simplify right side
    13,354.87x = 100,931,626.75
  5. Step 5: Solve for x
    x = 100,931,626.75/13,354.87
  6. Step 6: Final answer
    x = 7,557.66

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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.