Home / 13,989.42-19,299.62-8,323.04

Finding the Fourth Proportional to 13,989.42, 19,299.62 and 8,323.04

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Solution

The fourth proportional to 13,989.42, 19,299.62 and 8,323.04 is: 11,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.42 : 19,299.62 = 8,323.04 : x
  2. Step 2: Convert to fraction form
    13,989.42/19,299.62 = 8,323.04/x
  3. Step 3: Cross multiply
    13,989.42x = 19,299.62 × 8,323.04
  4. Step 4: Simplify right side
    13,989.42x = 160,631,371.13
  5. Step 5: Solve for x
    x = 160,631,371.13/13,989.42
  6. Step 6: Final answer
    x = 11,482.35

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Similar ratio
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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.