Home / 11,211.02-15,473.04-8,553.40

Finding the Fourth Proportional to 11,211.02, 15,473.04 and 8,553.40

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Solution

The fourth proportional to 11,211.02, 15,473.04 and 8,553.40 is: 11,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.02 : 15,473.04 = 8,553.40 : x
  2. Step 2: Convert to fraction form
    11,211.02/15,473.04 = 8,553.40/x
  3. Step 3: Cross multiply
    11,211.02x = 15,473.04 × 8,553.40
  4. Step 4: Simplify right side
    11,211.02x = 132,347,100.34
  5. Step 5: Solve for x
    x = 132,347,100.34/11,211.02
  6. Step 6: Final answer
    x = 11,805.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.