Home / 17,478.40-26,217.26-4,330.74

Finding the Fourth Proportional to 17,478.40, 26,217.26 and 4,330.74

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Solution

The fourth proportional to 17,478.40, 26,217.26 and 4,330.74 is: 6,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.40 : 26,217.26 = 4,330.74 : x
  2. Step 2: Convert to fraction form
    17,478.40/26,217.26 = 4,330.74/x
  3. Step 3: Cross multiply
    17,478.40x = 26,217.26 × 4,330.74
  4. Step 4: Simplify right side
    17,478.40x = 113,540,136.57
  5. Step 5: Solve for x
    x = 113,540,136.57/17,478.40
  6. Step 6: Final answer
    x = 6,496.03

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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.