Home / 14,432.40-19,918.72-8,466

Finding the Fourth Proportional to 14,432.40, 19,918.72 and 8,466

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Solution

The fourth proportional to 14,432.40, 19,918.72 and 8,466 is: 11,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.40 : 19,918.72 = 8,466 : x
  2. Step 2: Convert to fraction form
    14,432.40/19,918.72 = 8,466/x
  3. Step 3: Cross multiply
    14,432.40x = 19,918.72 × 8,466
  4. Step 4: Simplify right side
    14,432.40x = 168,631,883.52
  5. Step 5: Solve for x
    x = 168,631,883.52/14,432.40
  6. Step 6: Final answer
    x = 11,684.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.