Home / 26,146.86-39,219.22-7,426.81

Finding the Fourth Proportional to 26,146.86, 39,219.22 and 7,426.81

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Solution

The fourth proportional to 26,146.86, 39,219.22 and 7,426.81 is: 11,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.86 : 39,219.22 = 7,426.81 : x
  2. Step 2: Convert to fraction form
    26,146.86/39,219.22 = 7,426.81/x
  3. Step 3: Cross multiply
    26,146.86x = 39,219.22 × 7,426.81
  4. Step 4: Simplify right side
    26,146.86x = 291,273,695.29
  5. Step 5: Solve for x
    x = 291,273,695.29/26,146.86
  6. Step 6: Final answer
    x = 11,139.91

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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.