Home / 15,467.24-21,345.20-8,393.66

Finding the Fourth Proportional to 15,467.24, 21,345.20 and 8,393.66

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Solution

The fourth proportional to 15,467.24, 21,345.20 and 8,393.66 is: 11,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.24 : 21,345.20 = 8,393.66 : x
  2. Step 2: Convert to fraction form
    15,467.24/21,345.20 = 8,393.66/x
  3. Step 3: Cross multiply
    15,467.24x = 21,345.20 × 8,393.66
  4. Step 4: Simplify right side
    15,467.24x = 179,164,202.74
  5. Step 5: Solve for x
    x = 179,164,202.74/15,467.24
  6. Step 6: Final answer
    x = 11,583.47

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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.