Home / 26,160.77-39,219.25-12,130.81

Finding the Fourth Proportional to 26,160.77, 39,219.25 and 12,130.81

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Solution

The fourth proportional to 26,160.77, 39,219.25 and 12,130.81 is: 18,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,160.77 : 39,219.25 = 12,130.81 : x
  2. Step 2: Convert to fraction form
    26,160.77/39,219.25 = 12,130.81/x
  3. Step 3: Cross multiply
    26,160.77x = 39,219.25 × 12,130.81
  4. Step 4: Simplify right side
    26,160.77x = 475,761,141.72
  5. Step 5: Solve for x
    x = 475,761,141.72/26,160.77
  6. Step 6: Final answer
    x = 18,186.06

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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.