Home / 13,311.36-19,967.04-5,520

Finding the Fourth Proportional to 13,311.36, 19,967.04 and 5,520

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Solution

The fourth proportional to 13,311.36, 19,967.04 and 5,520 is: 8,280

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.36 : 19,967.04 = 5,520 : x
  2. Step 2: Convert to fraction form
    13,311.36/19,967.04 = 5,520/x
  3. Step 3: Cross multiply
    13,311.36x = 19,967.04 × 5,520
  4. Step 4: Simplify right side
    13,311.36x = 110,218,060.80
  5. Step 5: Solve for x
    x = 110,218,060.80/13,311.36
  6. Step 6: Final answer
    x = 8,280

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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.