Home / 17,419.94-26,130.39-4,272.30

Finding the Fourth Proportional to 17,419.94, 26,130.39 and 4,272.30

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Solution

The fourth proportional to 17,419.94, 26,130.39 and 4,272.30 is: 6,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.94 : 26,130.39 = 4,272.30 : x
  2. Step 2: Convert to fraction form
    17,419.94/26,130.39 = 4,272.30/x
  3. Step 3: Cross multiply
    17,419.94x = 26,130.39 × 4,272.30
  4. Step 4: Simplify right side
    17,419.94x = 111,636,865.20
  5. Step 5: Solve for x
    x = 111,636,865.20/17,419.94
  6. Step 6: Final answer
    x = 6,408.57

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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.