Home / 14,340.45-21,511.32-4,479.93

Finding the Fourth Proportional to 14,340.45, 21,511.32 and 4,479.93

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Solution

The fourth proportional to 14,340.45, 21,511.32 and 4,479.93 is: 6,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.45 : 21,511.32 = 4,479.93 : x
  2. Step 2: Convert to fraction form
    14,340.45/21,511.32 = 4,479.93/x
  3. Step 3: Cross multiply
    14,340.45x = 21,511.32 × 4,479.93
  4. Step 4: Simplify right side
    14,340.45x = 96,369,207.81
  5. Step 5: Solve for x
    x = 96,369,207.81/14,340.45
  6. Step 6: Final answer
    x = 6,720.10

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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.