Home / 13,280.88-19,923.36-4,513.74

Finding the Fourth Proportional to 13,280.88, 19,923.36 and 4,513.74

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Solution

The fourth proportional to 13,280.88, 19,923.36 and 4,513.74 is: 6,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.88 : 19,923.36 = 4,513.74 : x
  2. Step 2: Convert to fraction form
    13,280.88/19,923.36 = 4,513.74/x
  3. Step 3: Cross multiply
    13,280.88x = 19,923.36 × 4,513.74
  4. Step 4: Simplify right side
    13,280.88x = 89,928,866.97
  5. Step 5: Solve for x
    x = 89,928,866.97/13,280.88
  6. Step 6: Final answer
    x = 6,771.30

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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.