Home / 21,073.26-29,082.87-11,643.51

Finding the Fourth Proportional to 21,073.26, 29,082.87 and 11,643.51

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Solution

The fourth proportional to 21,073.26, 29,082.87 and 11,643.51 is: 16,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,073.26 : 29,082.87 = 11,643.51 : x
  2. Step 2: Convert to fraction form
    21,073.26/29,082.87 = 11,643.51/x
  3. Step 3: Cross multiply
    21,073.26x = 29,082.87 × 11,643.51
  4. Step 4: Simplify right side
    21,073.26x = 338,626,687.67
  5. Step 5: Solve for x
    x = 338,626,687.67/21,073.26
  6. Step 6: Final answer
    x = 16,069.02

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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.