Home / 21,084.08-29,094.28-11,652.64

Finding the Fourth Proportional to 21,084.08, 29,094.28 and 11,652.64

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Solution

The fourth proportional to 21,084.08, 29,094.28 and 11,652.64 is: 16,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.08 : 29,094.28 = 11,652.64 : x
  2. Step 2: Convert to fraction form
    21,084.08/29,094.28 = 11,652.64/x
  3. Step 3: Cross multiply
    21,084.08x = 29,094.28 × 11,652.64
  4. Step 4: Simplify right side
    21,084.08x = 339,025,170.90
  5. Step 5: Solve for x
    x = 339,025,170.90/21,084.08
  6. Step 6: Final answer
    x = 16,079.68

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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.