Home / 18,767.04-25,889.40-12,396.12

Finding the Fourth Proportional to 18,767.04, 25,889.40 and 12,396.12

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Solution

The fourth proportional to 18,767.04, 25,889.40 and 12,396.12 is: 17,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.04 : 25,889.40 = 12,396.12 : x
  2. Step 2: Convert to fraction form
    18,767.04/25,889.40 = 12,396.12/x
  3. Step 3: Cross multiply
    18,767.04x = 25,889.40 × 12,396.12
  4. Step 4: Simplify right side
    18,767.04x = 320,928,109.13
  5. Step 5: Solve for x
    x = 320,928,109.13/18,767.04
  6. Step 6: Final answer
    x = 17,100.62

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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.