Home / 14,406.08-21,609.12-7,466

Finding the Fourth Proportional to 14,406.08, 21,609.12 and 7,466

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Solution

The fourth proportional to 14,406.08, 21,609.12 and 7,466 is: 11,199

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.08 : 21,609.12 = 7,466 : x
  2. Step 2: Convert to fraction form
    14,406.08/21,609.12 = 7,466/x
  3. Step 3: Cross multiply
    14,406.08x = 21,609.12 × 7,466
  4. Step 4: Simplify right side
    14,406.08x = 161,333,689.92
  5. Step 5: Solve for x
    x = 161,333,689.92/14,406.08
  6. Step 6: Final answer
    x = 11,199

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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.