Home / 14,487.14-21,608.90-13,158.33

Finding the Fourth Proportional to 14,487.14, 21,608.90 and 13,158.33

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Solution

The fourth proportional to 14,487.14, 21,608.90 and 13,158.33 is: 19,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.14 : 21,608.90 = 13,158.33 : x
  2. Step 2: Convert to fraction form
    14,487.14/21,608.90 = 13,158.33/x
  3. Step 3: Cross multiply
    14,487.14x = 21,608.90 × 13,158.33
  4. Step 4: Simplify right side
    14,487.14x = 284,336,971.35
  5. Step 5: Solve for x
    x = 284,336,971.35/14,487.14
  6. Step 6: Final answer
    x = 19,626.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.