Home / 15,538.03-21,442.53-9,250

Finding the Fourth Proportional to 15,538.03, 21,442.53 and 9,250

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Solution

The fourth proportional to 15,538.03, 21,442.53 and 9,250 is: 12,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538.03 : 21,442.53 = 9,250 : x
  2. Step 2: Convert to fraction form
    15,538.03/21,442.53 = 9,250/x
  3. Step 3: Cross multiply
    15,538.03x = 21,442.53 × 9,250
  4. Step 4: Simplify right side
    15,538.03x = 198,343,402.50
  5. Step 5: Solve for x
    x = 198,343,402.50/15,538.03
  6. Step 6: Final answer
    x = 12,765.03

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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.