Home / 20,624.86-28,462.32-11,193.42

Finding the Fourth Proportional to 20,624.86, 28,462.32 and 11,193.42

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Solution

The fourth proportional to 20,624.86, 28,462.32 and 11,193.42 is: 15,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.86 : 28,462.32 = 11,193.42 : x
  2. Step 2: Convert to fraction form
    20,624.86/28,462.32 = 11,193.42/x
  3. Step 3: Cross multiply
    20,624.86x = 28,462.32 × 11,193.42
  4. Step 4: Simplify right side
    20,624.86x = 318,590,701.93
  5. Step 5: Solve for x
    x = 318,590,701.93/20,624.86
  6. Step 6: Final answer
    x = 15,446.93

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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.