Home / 14,408.76-21,569.40-13,927.62

Finding the Fourth Proportional to 14,408.76, 21,569.40 and 13,927.62

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Solution

The fourth proportional to 14,408.76, 21,569.40 and 13,927.62 is: 20,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.76 : 21,569.40 = 13,927.62 : x
  2. Step 2: Convert to fraction form
    14,408.76/21,569.40 = 13,927.62/x
  3. Step 3: Cross multiply
    14,408.76x = 21,569.40 × 13,927.62
  4. Step 4: Simplify right side
    14,408.76x = 300,410,406.83
  5. Step 5: Solve for x
    x = 300,410,406.83/14,408.76
  6. Step 6: Final answer
    x = 20,849.15

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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.