Home / 18,354.93-25,329.75-9,971.43

Finding the Fourth Proportional to 18,354.93, 25,329.75 and 9,971.43

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Solution

The fourth proportional to 18,354.93, 25,329.75 and 9,971.43 is: 13,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.93 : 25,329.75 = 9,971.43 : x
  2. Step 2: Convert to fraction form
    18,354.93/25,329.75 = 9,971.43/x
  3. Step 3: Cross multiply
    18,354.93x = 25,329.75 × 9,971.43
  4. Step 4: Simplify right side
    18,354.93x = 252,573,829.04
  5. Step 5: Solve for x
    x = 252,573,829.04/18,354.93
  6. Step 6: Final answer
    x = 13,760.54

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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.