Home / 15,352.52-21,183.30-8,637.16

Finding the Fourth Proportional to 15,352.52, 21,183.30 and 8,637.16

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Solution

The fourth proportional to 15,352.52, 21,183.30 and 8,637.16 is: 11,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.52 : 21,183.30 = 8,637.16 : x
  2. Step 2: Convert to fraction form
    15,352.52/21,183.30 = 8,637.16/x
  3. Step 3: Cross multiply
    15,352.52x = 21,183.30 × 8,637.16
  4. Step 4: Simplify right side
    15,352.52x = 182,963,551.43
  5. Step 5: Solve for x
    x = 182,963,551.43/15,352.52
  6. Step 6: Final answer
    x = 11,917.49

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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.