Home / 17,478.56-26,217.44-4,330.72

Finding the Fourth Proportional to 17,478.56, 26,217.44 and 4,330.72

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Solution

The fourth proportional to 17,478.56, 26,217.44 and 4,330.72 is: 6,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.56 : 26,217.44 = 4,330.72 : x
  2. Step 2: Convert to fraction form
    17,478.56/26,217.44 = 4,330.72/x
  3. Step 3: Cross multiply
    17,478.56x = 26,217.44 × 4,330.72
  4. Step 4: Simplify right side
    17,478.56x = 113,540,391.76
  5. Step 5: Solve for x
    x = 113,540,391.76/17,478.56
  6. Step 6: Final answer
    x = 6,495.98

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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.