Home / 15,467.96-21,342.10-9,418.13

Finding the Fourth Proportional to 15,467.96, 21,342.10 and 9,418.13

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Solution

The fourth proportional to 15,467.96, 21,342.10 and 9,418.13 is: 12,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.96 : 21,342.10 = 9,418.13 : x
  2. Step 2: Convert to fraction form
    15,467.96/21,342.10 = 9,418.13/x
  3. Step 3: Cross multiply
    15,467.96x = 21,342.10 × 9,418.13
  4. Step 4: Simplify right side
    15,467.96x = 201,002,702.08
  5. Step 5: Solve for x
    x = 201,002,702.08/15,467.96
  6. Step 6: Final answer
    x = 12,994.78

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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.