Home / 21,069.45-29,073.74-11,637.41

Finding the Fourth Proportional to 21,069.45, 29,073.74 and 11,637.41

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Solution

The fourth proportional to 21,069.45, 29,073.74 and 11,637.41 is: 16,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069.45 : 29,073.74 = 11,637.41 : x
  2. Step 2: Convert to fraction form
    21,069.45/29,073.74 = 11,637.41/x
  3. Step 3: Cross multiply
    21,069.45x = 29,073.74 × 11,637.41
  4. Step 4: Simplify right side
    21,069.45x = 338,342,829.06
  5. Step 5: Solve for x
    x = 338,342,829.06/21,069.45
  6. Step 6: Final answer
    x = 16,058.46

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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.