Home / 21,068.68-29,074.98-11,637.04

Finding the Fourth Proportional to 21,068.68, 29,074.98 and 11,637.04

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Solution

The fourth proportional to 21,068.68, 29,074.98 and 11,637.04 is: 16,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068.68 : 29,074.98 = 11,637.04 : x
  2. Step 2: Convert to fraction form
    21,068.68/29,074.98 = 11,637.04/x
  3. Step 3: Cross multiply
    21,068.68x = 29,074.98 × 11,637.04
  4. Step 4: Simplify right side
    21,068.68x = 338,346,705.26
  5. Step 5: Solve for x
    x = 338,346,705.26/21,068.68
  6. Step 6: Final answer
    x = 16,059.23

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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.