Home / 13,184.49-19,776.69-5,393.30

Finding the Fourth Proportional to 13,184.49, 19,776.69 and 5,393.30

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Solution

The fourth proportional to 13,184.49, 19,776.69 and 5,393.30 is: 8,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.49 : 19,776.69 = 5,393.30 : x
  2. Step 2: Convert to fraction form
    13,184.49/19,776.69 = 5,393.30/x
  3. Step 3: Cross multiply
    13,184.49x = 19,776.69 × 5,393.30
  4. Step 4: Simplify right side
    13,184.49x = 106,661,671.62
  5. Step 5: Solve for x
    x = 106,661,671.62/13,184.49
  6. Step 6: Final answer
    x = 8,089.94

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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.