Home / 15,285.32-21,094.62-8,573.10

Finding the Fourth Proportional to 15,285.32, 21,094.62 and 8,573.10

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Solution

The fourth proportional to 15,285.32, 21,094.62 and 8,573.10 is: 11,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.32 : 21,094.62 = 8,573.10 : x
  2. Step 2: Convert to fraction form
    15,285.32/21,094.62 = 8,573.10/x
  3. Step 3: Cross multiply
    15,285.32x = 21,094.62 × 8,573.10
  4. Step 4: Simplify right side
    15,285.32x = 180,846,286.72
  5. Step 5: Solve for x
    x = 180,846,286.72/15,285.32
  6. Step 6: Final answer
    x = 11,831.37

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Double scale
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Similar ratio
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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.