Home / 21,068.87-29,074.48-11,637.23

Finding the Fourth Proportional to 21,068.87, 29,074.48 and 11,637.23

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Solution

The fourth proportional to 21,068.87, 29,074.48 and 11,637.23 is: 16,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068.87 : 29,074.48 = 11,637.23 : x
  2. Step 2: Convert to fraction form
    21,068.87/29,074.48 = 11,637.23/x
  3. Step 3: Cross multiply
    21,068.87x = 29,074.48 × 11,637.23
  4. Step 4: Simplify right side
    21,068.87x = 338,346,236.42
  5. Step 5: Solve for x
    x = 338,346,236.42/21,068.87
  6. Step 6: Final answer
    x = 16,059.06

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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.