Home / 21,069.52-29,075.34-11,637.88

Finding the Fourth Proportional to 21,069.52, 29,075.34 and 11,637.88

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Solution

The fourth proportional to 21,069.52, 29,075.34 and 11,637.88 is: 16,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069.52 : 29,075.34 = 11,637.88 : x
  2. Step 2: Convert to fraction form
    21,069.52/29,075.34 = 11,637.88/x
  3. Step 3: Cross multiply
    21,069.52x = 29,075.34 × 11,637.88
  4. Step 4: Simplify right side
    21,069.52x = 338,375,317.88
  5. Step 5: Solve for x
    x = 338,375,317.88/21,069.52
  6. Step 6: Final answer
    x = 16,059.94

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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.