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Finding the Fourth Proportional to 11,227.80, 16,823.48 and 7,060.35

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Solution

The fourth proportional to 11,227.80, 16,823.48 and 7,060.35 is: 10,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.80 : 16,823.48 = 7,060.35 : x
  2. Step 2: Convert to fraction form
    11,227.80/16,823.48 = 7,060.35/x
  3. Step 3: Cross multiply
    11,227.80x = 16,823.48 × 7,060.35
  4. Step 4: Simplify right side
    11,227.80x = 118,779,621.72
  5. Step 5: Solve for x
    x = 118,779,621.72/11,227.80
  6. Step 6: Final answer
    x = 10,579.06

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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.