Home / 26,110.29-39,170.86-11,871.98

Finding the Fourth Proportional to 26,110.29, 39,170.86 and 11,871.98

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Solution

The fourth proportional to 26,110.29, 39,170.86 and 11,871.98 is: 17,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,110.29 : 39,170.86 = 11,871.98 : x
  2. Step 2: Convert to fraction form
    26,110.29/39,170.86 = 11,871.98/x
  3. Step 3: Cross multiply
    26,110.29x = 39,170.86 × 11,871.98
  4. Step 4: Simplify right side
    26,110.29x = 465,035,666.50
  5. Step 5: Solve for x
    x = 465,035,666.50/26,110.29
  6. Step 6: Final answer
    x = 17,810.44

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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.