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Finding the Fourth Proportional to 14,900.86, 22,319.29 and 14,028.49

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Solution

The fourth proportional to 14,900.86, 22,319.29 and 14,028.49 is: 21,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.86 : 22,319.29 = 14,028.49 : x
  2. Step 2: Convert to fraction form
    14,900.86/22,319.29 = 14,028.49/x
  3. Step 3: Cross multiply
    14,900.86x = 22,319.29 × 14,028.49
  4. Step 4: Simplify right side
    14,900.86x = 313,105,754.83
  5. Step 5: Solve for x
    x = 313,105,754.83/14,900.86
  6. Step 6: Final answer
    x = 21,012.60

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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.