Home / 15,135.63-22,685.58-6,805.86

Finding the Fourth Proportional to 15,135.63, 22,685.58 and 6,805.86

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Solution

The fourth proportional to 15,135.63, 22,685.58 and 6,805.86 is: 10,200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.63 : 22,685.58 = 6,805.86 : x
  2. Step 2: Convert to fraction form
    15,135.63/22,685.58 = 6,805.86/x
  3. Step 3: Cross multiply
    15,135.63x = 22,685.58 × 6,805.86
  4. Step 4: Simplify right side
    15,135.63x = 154,394,881.50
  5. Step 5: Solve for x
    x = 154,394,881.50/15,135.63
  6. Step 6: Final answer
    x = 10,200.76

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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.