Home / 15,822.36-21,834.90-8,748.66

Finding the Fourth Proportional to 15,822.36, 21,834.90 and 8,748.66

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Solution

The fourth proportional to 15,822.36, 21,834.90 and 8,748.66 is: 12,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822.36 : 21,834.90 = 8,748.66 : x
  2. Step 2: Convert to fraction form
    15,822.36/21,834.90 = 8,748.66/x
  3. Step 3: Cross multiply
    15,822.36x = 21,834.90 × 8,748.66
  4. Step 4: Simplify right side
    15,822.36x = 191,026,116.23
  5. Step 5: Solve for x
    x = 191,026,116.23/15,822.36
  6. Step 6: Final answer
    x = 12,073.17

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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.