Home / 13,314.39-19,977.22-4,993.19

Finding the Fourth Proportional to 13,314.39, 19,977.22 and 4,993.19

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Solution

The fourth proportional to 13,314.39, 19,977.22 and 4,993.19 is: 7,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.39 : 19,977.22 = 4,993.19 : x
  2. Step 2: Convert to fraction form
    13,314.39/19,977.22 = 4,993.19/x
  3. Step 3: Cross multiply
    13,314.39x = 19,977.22 × 4,993.19
  4. Step 4: Simplify right side
    13,314.39x = 99,750,141.75
  5. Step 5: Solve for x
    x = 99,750,141.75/13,314.39
  6. Step 6: Final answer
    x = 7,491.91

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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.