Home / 20,695.24-28,560.18-11,263.96

Finding the Fourth Proportional to 20,695.24, 28,560.18 and 11,263.96

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Solution

The fourth proportional to 20,695.24, 28,560.18 and 11,263.96 is: 15,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.24 : 28,560.18 = 11,263.96 : x
  2. Step 2: Convert to fraction form
    20,695.24/28,560.18 = 11,263.96/x
  3. Step 3: Cross multiply
    20,695.24x = 28,560.18 × 11,263.96
  4. Step 4: Simplify right side
    20,695.24x = 321,700,725.11
  5. Step 5: Solve for x
    x = 321,700,725.11/20,695.24
  6. Step 6: Final answer
    x = 15,544.67

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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.