Home / 20,108.86-30,162.54-6,068.52

Finding the Fourth Proportional to 20,108.86, 30,162.54 and 6,068.52

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Solution

The fourth proportional to 20,108.86, 30,162.54 and 6,068.52 is: 9,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.86 : 30,162.54 = 6,068.52 : x
  2. Step 2: Convert to fraction form
    20,108.86/30,162.54 = 6,068.52/x
  3. Step 3: Cross multiply
    20,108.86x = 30,162.54 × 6,068.52
  4. Step 4: Simplify right side
    20,108.86x = 183,041,977.24
  5. Step 5: Solve for x
    x = 183,041,977.24/20,108.86
  6. Step 6: Final answer
    x = 9,102.55

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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.