Home / 11,219.80-16,829.70-5,373.40

Finding the Fourth Proportional to 11,219.80, 16,829.70 and 5,373.40

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Solution

The fourth proportional to 11,219.80, 16,829.70 and 5,373.40 is: 8,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.80 : 16,829.70 = 5,373.40 : x
  2. Step 2: Convert to fraction form
    11,219.80/16,829.70 = 5,373.40/x
  3. Step 3: Cross multiply
    11,219.80x = 16,829.70 × 5,373.40
  4. Step 4: Simplify right side
    11,219.80x = 90,432,709.98
  5. Step 5: Solve for x
    x = 90,432,709.98/11,219.80
  6. Step 6: Final answer
    x = 8,060.10

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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.