Home / 15,637.38-21,579.58-9,351.24

Finding the Fourth Proportional to 15,637.38, 21,579.58 and 9,351.24

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Solution

The fourth proportional to 15,637.38, 21,579.58 and 9,351.24 is: 12,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.38 : 21,579.58 = 9,351.24 : x
  2. Step 2: Convert to fraction form
    15,637.38/21,579.58 = 9,351.24/x
  3. Step 3: Cross multiply
    15,637.38x = 21,579.58 × 9,351.24
  4. Step 4: Simplify right side
    15,637.38x = 201,795,831.68
  5. Step 5: Solve for x
    x = 201,795,831.68/15,637.38
  6. Step 6: Final answer
    x = 12,904.71

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Find fourth proportional to 15,638.38, 21,580.96 and 9,352.24
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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.