Home / 14,270.06-21,408-4,908.86

Finding the Fourth Proportional to 14,270.06, 21,408 and 4,908.86

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Solution

The fourth proportional to 14,270.06, 21,408 and 4,908.86 is: 7,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.06 : 21,408 = 4,908.86 : x
  2. Step 2: Convert to fraction form
    14,270.06/21,408 = 4,908.86/x
  3. Step 3: Cross multiply
    14,270.06x = 21,408 × 4,908.86
  4. Step 4: Simplify right side
    14,270.06x = 105,088,874.88
  5. Step 5: Solve for x
    x = 105,088,874.88/14,270.06
  6. Step 6: Final answer
    x = 7,364.29

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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.