Home / 14,878.72-22,320.24-4,491.28

Finding the Fourth Proportional to 14,878.72, 22,320.24 and 4,491.28

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Solution

The fourth proportional to 14,878.72, 22,320.24 and 4,491.28 is: 6,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.72 : 22,320.24 = 4,491.28 : x
  2. Step 2: Convert to fraction form
    14,878.72/22,320.24 = 4,491.28/x
  3. Step 3: Cross multiply
    14,878.72x = 22,320.24 × 4,491.28
  4. Step 4: Simplify right side
    14,878.72x = 100,246,447.51
  5. Step 5: Solve for x
    x = 100,246,447.51/14,878.72
  6. Step 6: Final answer
    x = 6,737.57

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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.