Home / 26,126.39-39,189.55-6,404.76

Finding the Fourth Proportional to 26,126.39, 39,189.55 and 6,404.76

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Solution

The fourth proportional to 26,126.39, 39,189.55 and 6,404.76 is: 9,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.39 : 39,189.55 = 6,404.76 : x
  2. Step 2: Convert to fraction form
    26,126.39/39,189.55 = 6,404.76/x
  3. Step 3: Cross multiply
    26,126.39x = 39,189.55 × 6,404.76
  4. Step 4: Simplify right side
    26,126.39x = 250,999,662.26
  5. Step 5: Solve for x
    x = 250,999,662.26/26,126.39
  6. Step 6: Final answer
    x = 9,607.13

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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.