Home / 14,388.82-21,585.05-4,000.57

Finding the Fourth Proportional to 14,388.82, 21,585.05 and 4,000.57

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Solution

The fourth proportional to 14,388.82, 21,585.05 and 4,000.57 is: 6,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.82 : 21,585.05 = 4,000.57 : x
  2. Step 2: Convert to fraction form
    14,388.82/21,585.05 = 4,000.57/x
  3. Step 3: Cross multiply
    14,388.82x = 21,585.05 × 4,000.57
  4. Step 4: Simplify right side
    14,388.82x = 86,352,513.48
  5. Step 5: Solve for x
    x = 86,352,513.48/14,388.82
  6. Step 6: Final answer
    x = 6,001.36

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1.5x scale

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.