Home / 21,069.42-29,075.67-11,637.96

Finding the Fourth Proportional to 21,069.42, 29,075.67 and 11,637.96

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Solution

The fourth proportional to 21,069.42, 29,075.67 and 11,637.96 is: 16,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069.42 : 29,075.67 = 11,637.96 : x
  2. Step 2: Convert to fraction form
    21,069.42/29,075.67 = 11,637.96/x
  3. Step 3: Cross multiply
    21,069.42x = 29,075.67 × 11,637.96
  4. Step 4: Simplify right side
    21,069.42x = 338,381,484.43
  5. Step 5: Solve for x
    x = 338,381,484.43/21,069.42
  6. Step 6: Final answer
    x = 16,060.31

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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.