Home / 20,544.86-30,801.15-8,688.93

Finding the Fourth Proportional to 20,544.86, 30,801.15 and 8,688.93

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Solution

The fourth proportional to 20,544.86, 30,801.15 and 8,688.93 is: 13,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.86 : 30,801.15 = 8,688.93 : x
  2. Step 2: Convert to fraction form
    20,544.86/30,801.15 = 8,688.93/x
  3. Step 3: Cross multiply
    20,544.86x = 30,801.15 × 8,688.93
  4. Step 4: Simplify right side
    20,544.86x = 267,629,036.27
  5. Step 5: Solve for x
    x = 267,629,036.27/20,544.86
  6. Step 6: Final answer
    x = 13,026.57

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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.