Home / 21,516.44-29,692.71-12,085.07

Finding the Fourth Proportional to 21,516.44, 29,692.71 and 12,085.07

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Solution

The fourth proportional to 21,516.44, 29,692.71 and 12,085.07 is: 16,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516.44 : 29,692.71 = 12,085.07 : x
  2. Step 2: Convert to fraction form
    21,516.44/29,692.71 = 12,085.07/x
  3. Step 3: Cross multiply
    21,516.44x = 29,692.71 × 12,085.07
  4. Step 4: Simplify right side
    21,516.44x = 358,838,330.38
  5. Step 5: Solve for x
    x = 358,838,330.38/21,516.44
  6. Step 6: Final answer
    x = 16,677.41

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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.