Home / 21,084.18-29,095-11,652.12

Finding the Fourth Proportional to 21,084.18, 29,095 and 11,652.12

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Solution

The fourth proportional to 21,084.18, 29,095 and 11,652.12 is: 16,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.18 : 29,095 = 11,652.12 : x
  2. Step 2: Convert to fraction form
    21,084.18/29,095 = 11,652.12/x
  3. Step 3: Cross multiply
    21,084.18x = 29,095 × 11,652.12
  4. Step 4: Simplify right side
    21,084.18x = 339,018,431.40
  5. Step 5: Solve for x
    x = 339,018,431.40/21,084.18
  6. Step 6: Final answer
    x = 16,079.28

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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.