Home / 26,259.94-39,379.64-9,158.51

Finding the Fourth Proportional to 26,259.94, 39,379.64 and 9,158.51

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Solution

The fourth proportional to 26,259.94, 39,379.64 and 9,158.51 is: 13,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,259.94 : 39,379.64 = 9,158.51 : x
  2. Step 2: Convert to fraction form
    26,259.94/39,379.64 = 9,158.51/x
  3. Step 3: Cross multiply
    26,259.94x = 39,379.64 × 9,158.51
  4. Step 4: Simplify right side
    26,259.94x = 360,658,879.39
  5. Step 5: Solve for x
    x = 360,658,879.39/26,259.94
  6. Step 6: Final answer
    x = 13,734.18

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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.