Home / 26,154.09-39,218.85-10,151.19

Finding the Fourth Proportional to 26,154.09, 39,218.85 and 10,151.19

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Solution

The fourth proportional to 26,154.09, 39,218.85 and 10,151.19 is: 15,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,154.09 : 39,218.85 = 10,151.19 : x
  2. Step 2: Convert to fraction form
    26,154.09/39,218.85 = 10,151.19/x
  3. Step 3: Cross multiply
    26,154.09x = 39,218.85 × 10,151.19
  4. Step 4: Simplify right side
    26,154.09x = 398,117,997.93
  5. Step 5: Solve for x
    x = 398,117,997.93/26,154.09
  6. Step 6: Final answer
    x = 15,222.02

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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.