Home / 15,841.84-21,864.45-9,126.27

Finding the Fourth Proportional to 15,841.84, 21,864.45 and 9,126.27

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Solution

The fourth proportional to 15,841.84, 21,864.45 and 9,126.27 is: 12,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.84 : 21,864.45 = 9,126.27 : x
  2. Step 2: Convert to fraction form
    15,841.84/21,864.45 = 9,126.27/x
  3. Step 3: Cross multiply
    15,841.84x = 21,864.45 × 9,126.27
  4. Step 4: Simplify right side
    15,841.84x = 199,540,764.78
  5. Step 5: Solve for x
    x = 199,540,764.78/15,841.84
  6. Step 6: Final answer
    x = 12,595.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.