Home / 21,460.21-29,614.98-12,028.77

Finding the Fourth Proportional to 21,460.21, 29,614.98 and 12,028.77

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Solution

The fourth proportional to 21,460.21, 29,614.98 and 12,028.77 is: 16,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.21 : 29,614.98 = 12,028.77 : x
  2. Step 2: Convert to fraction form
    21,460.21/29,614.98 = 12,028.77/x
  3. Step 3: Cross multiply
    21,460.21x = 29,614.98 × 12,028.77
  4. Step 4: Simplify right side
    21,460.21x = 356,231,828.08
  5. Step 5: Solve for x
    x = 356,231,828.08/21,460.21
  6. Step 6: Final answer
    x = 16,599.65

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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.