Home / 21,068.67-29,074.75-11,637.15

Finding the Fourth Proportional to 21,068.67, 29,074.75 and 11,637.15

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Solution

The fourth proportional to 21,068.67, 29,074.75 and 11,637.15 is: 16,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068.67 : 29,074.75 = 11,637.15 : x
  2. Step 2: Convert to fraction form
    21,068.67/29,074.75 = 11,637.15/x
  3. Step 3: Cross multiply
    21,068.67x = 29,074.75 × 11,637.15
  4. Step 4: Simplify right side
    21,068.67x = 338,347,226.96
  5. Step 5: Solve for x
    x = 338,347,226.96/21,068.67
  6. Step 6: Final answer
    x = 16,059.26

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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.