Home / 11,021.18-16,510.92-8,543.87

Finding the Fourth Proportional to 11,021.18, 16,510.92 and 8,543.87

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Solution

The fourth proportional to 11,021.18, 16,510.92 and 8,543.87 is: 12,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.18 : 16,510.92 = 8,543.87 : x
  2. Step 2: Convert to fraction form
    11,021.18/16,510.92 = 8,543.87/x
  3. Step 3: Cross multiply
    11,021.18x = 16,510.92 × 8,543.87
  4. Step 4: Simplify right side
    11,021.18x = 141,067,071.51
  5. Step 5: Solve for x
    x = 141,067,071.51/11,021.18
  6. Step 6: Final answer
    x = 12,799.64

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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.