Home / 15,656.33-21,607.24-8,942.96

Finding the Fourth Proportional to 15,656.33, 21,607.24 and 8,942.96

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Solution

The fourth proportional to 15,656.33, 21,607.24 and 8,942.96 is: 12,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.33 : 21,607.24 = 8,942.96 : x
  2. Step 2: Convert to fraction form
    15,656.33/21,607.24 = 8,942.96/x
  3. Step 3: Cross multiply
    15,656.33x = 21,607.24 × 8,942.96
  4. Step 4: Simplify right side
    15,656.33x = 193,232,714.69
  5. Step 5: Solve for x
    x = 193,232,714.69/15,656.33
  6. Step 6: Final answer
    x = 12,342.14

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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.