Home / 20,608.86-28,441.98-11,657.94

Finding the Fourth Proportional to 20,608.86, 28,441.98 and 11,657.94

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Solution

The fourth proportional to 20,608.86, 28,441.98 and 11,657.94 is: 16,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.86 : 28,441.98 = 11,657.94 : x
  2. Step 2: Convert to fraction form
    20,608.86/28,441.98 = 11,657.94/x
  3. Step 3: Cross multiply
    20,608.86x = 28,441.98 × 11,657.94
  4. Step 4: Simplify right side
    20,608.86x = 331,574,896.32
  5. Step 5: Solve for x
    x = 331,574,896.32/20,608.86
  6. Step 6: Final answer
    x = 16,088.95

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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.