Home / 14,551.83-21,831.39-4,690.89

Finding the Fourth Proportional to 14,551.83, 21,831.39 and 4,690.89

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Solution

The fourth proportional to 14,551.83, 21,831.39 and 4,690.89 is: 7,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.83 : 21,831.39 = 4,690.89 : x
  2. Step 2: Convert to fraction form
    14,551.83/21,831.39 = 4,690.89/x
  3. Step 3: Cross multiply
    14,551.83x = 21,831.39 × 4,690.89
  4. Step 4: Simplify right side
    14,551.83x = 102,408,649.04
  5. Step 5: Solve for x
    x = 102,408,649.04/14,551.83
  6. Step 6: Final answer
    x = 7,037.51

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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.