Home / 21,546.32-32,331.80-9,859.44

Finding the Fourth Proportional to 21,546.32, 32,331.80 and 9,859.44

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Solution

The fourth proportional to 21,546.32, 32,331.80 and 9,859.44 is: 14,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.32 : 32,331.80 = 9,859.44 : x
  2. Step 2: Convert to fraction form
    21,546.32/32,331.80 = 9,859.44/x
  3. Step 3: Cross multiply
    21,546.32x = 32,331.80 × 9,859.44
  4. Step 4: Simplify right side
    21,546.32x = 318,773,442.19
  5. Step 5: Solve for x
    x = 318,773,442.19/21,546.32
  6. Step 6: Final answer
    x = 14,794.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.