Home / 15,969.96-23,938.83-6,615.09

Finding the Fourth Proportional to 15,969.96, 23,938.83 and 6,615.09

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Solution

The fourth proportional to 15,969.96, 23,938.83 and 6,615.09 is: 9,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.96 : 23,938.83 = 6,615.09 : x
  2. Step 2: Convert to fraction form
    15,969.96/23,938.83 = 6,615.09/x
  3. Step 3: Cross multiply
    15,969.96x = 23,938.83 × 6,615.09
  4. Step 4: Simplify right side
    15,969.96x = 158,357,514.94
  5. Step 5: Solve for x
    x = 158,357,514.94/15,969.96
  6. Step 6: Final answer
    x = 9,915.96

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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.