Home / 15,689.30-23,495.07-8,749.22

Finding the Fourth Proportional to 15,689.30, 23,495.07 and 8,749.22

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Solution

The fourth proportional to 15,689.30, 23,495.07 and 8,749.22 is: 13,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.30 : 23,495.07 = 8,749.22 : x
  2. Step 2: Convert to fraction form
    15,689.30/23,495.07 = 8,749.22/x
  3. Step 3: Cross multiply
    15,689.30x = 23,495.07 × 8,749.22
  4. Step 4: Simplify right side
    15,689.30x = 205,563,536.35
  5. Step 5: Solve for x
    x = 205,563,536.35/15,689.30
  6. Step 6: Final answer
    x = 13,102.15

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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.