Home / 17,917.92-26,877.38-4,770.30

Finding the Fourth Proportional to 17,917.92, 26,877.38 and 4,770.30

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Solution

The fourth proportional to 17,917.92, 26,877.38 and 4,770.30 is: 7,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.92 : 26,877.38 = 4,770.30 : x
  2. Step 2: Convert to fraction form
    17,917.92/26,877.38 = 4,770.30/x
  3. Step 3: Cross multiply
    17,917.92x = 26,877.38 × 4,770.30
  4. Step 4: Simplify right side
    17,917.92x = 128,213,165.81
  5. Step 5: Solve for x
    x = 128,213,165.81/17,917.92
  6. Step 6: Final answer
    x = 7,155.58

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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.