Home / 20,117.59-30,175.87-9,595.05

Finding the Fourth Proportional to 20,117.59, 30,175.87 and 9,595.05

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Solution

The fourth proportional to 20,117.59, 30,175.87 and 9,595.05 is: 14,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.59 : 30,175.87 = 9,595.05 : x
  2. Step 2: Convert to fraction form
    20,117.59/30,175.87 = 9,595.05/x
  3. Step 3: Cross multiply
    20,117.59x = 30,175.87 × 9,595.05
  4. Step 4: Simplify right side
    20,117.59x = 289,538,981.44
  5. Step 5: Solve for x
    x = 289,538,981.44/20,117.59
  6. Step 6: Final answer
    x = 14,392.33

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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.