Home / 21,567.36-29,763.54-12,136.26

Finding the Fourth Proportional to 21,567.36, 29,763.54 and 12,136.26

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Solution

The fourth proportional to 21,567.36, 29,763.54 and 12,136.26 is: 16,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567.36 : 29,763.54 = 12,136.26 : x
  2. Step 2: Convert to fraction form
    21,567.36/29,763.54 = 12,136.26/x
  3. Step 3: Cross multiply
    21,567.36x = 29,763.54 × 12,136.26
  4. Step 4: Simplify right side
    21,567.36x = 361,218,059.96
  5. Step 5: Solve for x
    x = 361,218,059.96/21,567.36
  6. Step 6: Final answer
    x = 16,748.37

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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.