Home / 21,602.06-29,810.85-11,666.06

Finding the Fourth Proportional to 21,602.06, 29,810.85 and 11,666.06

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Solution

The fourth proportional to 21,602.06, 29,810.85 and 11,666.06 is: 16,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602.06 : 29,810.85 = 11,666.06 : x
  2. Step 2: Convert to fraction form
    21,602.06/29,810.85 = 11,666.06/x
  3. Step 3: Cross multiply
    21,602.06x = 29,810.85 × 11,666.06
  4. Step 4: Simplify right side
    21,602.06x = 347,775,195.53
  5. Step 5: Solve for x
    x = 347,775,195.53/21,602.06
  6. Step 6: Final answer
    x = 16,099.17

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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.