Home / 17,812.90-24,564.98-13,285.57

Finding the Fourth Proportional to 17,812.90, 24,564.98 and 13,285.57

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Solution

The fourth proportional to 17,812.90, 24,564.98 and 13,285.57 is: 18,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.90 : 24,564.98 = 13,285.57 : x
  2. Step 2: Convert to fraction form
    17,812.90/24,564.98 = 13,285.57/x
  3. Step 3: Cross multiply
    17,812.90x = 24,564.98 × 13,285.57
  4. Step 4: Simplify right side
    17,812.90x = 326,359,733.14
  5. Step 5: Solve for x
    x = 326,359,733.14/17,812.90
  6. Step 6: Final answer
    x = 18,321.54

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1.5x scale

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.