Home / 15,463.24-21,339.03-8,389.60

Finding the Fourth Proportional to 15,463.24, 21,339.03 and 8,389.60

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Solution

The fourth proportional to 15,463.24, 21,339.03 and 8,389.60 is: 11,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,463.24 : 21,339.03 = 8,389.60 : x
  2. Step 2: Convert to fraction form
    15,463.24/21,339.03 = 8,389.60/x
  3. Step 3: Cross multiply
    15,463.24x = 21,339.03 × 8,389.60
  4. Step 4: Simplify right side
    15,463.24x = 179,025,926.09
  5. Step 5: Solve for x
    x = 179,025,926.09/15,463.24
  6. Step 6: Final answer
    x = 11,577.52

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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.