Home / 15,433.73-21,298.48-8,360.17

Finding the Fourth Proportional to 15,433.73, 21,298.48 and 8,360.17

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Solution

The fourth proportional to 15,433.73, 21,298.48 and 8,360.17 is: 11,536.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.73 : 21,298.48 = 8,360.17 : x
  2. Step 2: Convert to fraction form
    15,433.73/21,298.48 = 8,360.17/x
  3. Step 3: Cross multiply
    15,433.73x = 21,298.48 × 8,360.17
  4. Step 4: Simplify right side
    15,433.73x = 178,058,765.25
  5. Step 5: Solve for x
    x = 178,058,765.25/15,433.73
  6. Step 6: Final answer
    x = 11,536.99

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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.