Home / 26,146.84-39,189.12-12,087.16

Finding the Fourth Proportional to 26,146.84, 39,189.12 and 12,087.16

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Solution

The fourth proportional to 26,146.84, 39,189.12 and 12,087.16 is: 18,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.84 : 39,189.12 = 12,087.16 : x
  2. Step 2: Convert to fraction form
    26,146.84/39,189.12 = 12,087.16/x
  3. Step 3: Cross multiply
    26,146.84x = 39,189.12 × 12,087.16
  4. Step 4: Simplify right side
    26,146.84x = 473,685,163.70
  5. Step 5: Solve for x
    x = 473,685,163.70/26,146.84
  6. Step 6: Final answer
    x = 18,116.34

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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.