Home / 19,664.08-27,136.98-11,166.04

Finding the Fourth Proportional to 19,664.08, 27,136.98 and 11,166.04

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Solution

The fourth proportional to 19,664.08, 27,136.98 and 11,166.04 is: 15,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.08 : 27,136.98 = 11,166.04 : x
  2. Step 2: Convert to fraction form
    19,664.08/27,136.98 = 11,166.04/x
  3. Step 3: Cross multiply
    19,664.08x = 27,136.98 × 11,166.04
  4. Step 4: Simplify right side
    19,664.08x = 303,012,604.16
  5. Step 5: Solve for x
    x = 303,012,604.16/19,664.08
  6. Step 6: Final answer
    x = 15,409.45

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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.