Home / 14,119.62-19,480.41-9,402.18

Finding the Fourth Proportional to 14,119.62, 19,480.41 and 9,402.18

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Solution

The fourth proportional to 14,119.62, 19,480.41 and 9,402.18 is: 12,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.62 : 19,480.41 = 9,402.18 : x
  2. Step 2: Convert to fraction form
    14,119.62/19,480.41 = 9,402.18/x
  3. Step 3: Cross multiply
    14,119.62x = 19,480.41 × 9,402.18
  4. Step 4: Simplify right side
    14,119.62x = 183,158,321.29
  5. Step 5: Solve for x
    x = 183,158,321.29/14,119.62
  6. Step 6: Final answer
    x = 12,971.90

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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.