Home / 11,023.32-16,518.76-8,688.92

Finding the Fourth Proportional to 11,023.32, 16,518.76 and 8,688.92

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Solution

The fourth proportional to 11,023.32, 16,518.76 and 8,688.92 is: 13,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.32 : 16,518.76 = 8,688.92 : x
  2. Step 2: Convert to fraction form
    11,023.32/16,518.76 = 8,688.92/x
  3. Step 3: Cross multiply
    11,023.32x = 16,518.76 × 8,688.92
  4. Step 4: Simplify right side
    11,023.32x = 143,530,184.14
  5. Step 5: Solve for x
    x = 143,530,184.14/11,023.32
  6. Step 6: Final answer
    x = 13,020.59

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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.