Home / 13,179.04-19,771.95-11,184.07

Finding the Fourth Proportional to 13,179.04, 19,771.95 and 11,184.07

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Solution

The fourth proportional to 13,179.04, 19,771.95 and 11,184.07 is: 16,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.04 : 19,771.95 = 11,184.07 : x
  2. Step 2: Convert to fraction form
    13,179.04/19,771.95 = 11,184.07/x
  3. Step 3: Cross multiply
    13,179.04x = 19,771.95 × 11,184.07
  4. Step 4: Simplify right side
    13,179.04x = 221,130,872.84
  5. Step 5: Solve for x
    x = 221,130,872.84/13,179.04
  6. Step 6: Final answer
    x = 16,778.98

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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.