Home / 14,679.12-22,018.43-5,913.81

Finding the Fourth Proportional to 14,679.12, 22,018.43 and 5,913.81

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Solution

The fourth proportional to 14,679.12, 22,018.43 and 5,913.81 is: 8,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.12 : 22,018.43 = 5,913.81 : x
  2. Step 2: Convert to fraction form
    14,679.12/22,018.43 = 5,913.81/x
  3. Step 3: Cross multiply
    14,679.12x = 22,018.43 × 5,913.81
  4. Step 4: Simplify right side
    14,679.12x = 130,212,781.95
  5. Step 5: Solve for x
    x = 130,212,781.95/14,679.12
  6. Step 6: Final answer
    x = 8,870.61

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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.