Home / 21,214.16-29,273.29-12,264.54

Finding the Fourth Proportional to 21,214.16, 29,273.29 and 12,264.54

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Solution

The fourth proportional to 21,214.16, 29,273.29 and 12,264.54 is: 16,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,214.16 : 29,273.29 = 12,264.54 : x
  2. Step 2: Convert to fraction form
    21,214.16/29,273.29 = 12,264.54/x
  3. Step 3: Cross multiply
    21,214.16x = 29,273.29 × 12,264.54
  4. Step 4: Simplify right side
    21,214.16x = 359,023,436.14
  5. Step 5: Solve for x
    x = 359,023,436.14/21,214.16
  6. Step 6: Final answer
    x = 16,923.76

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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.