Home / 14,176.12-21,264.52-6,781.36

Finding the Fourth Proportional to 14,176.12, 21,264.52 and 6,781.36

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Solution

The fourth proportional to 14,176.12, 21,264.52 and 6,781.36 is: 10,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.12 : 21,264.52 = 6,781.36 : x
  2. Step 2: Convert to fraction form
    14,176.12/21,264.52 = 6,781.36/x
  3. Step 3: Cross multiply
    14,176.12x = 21,264.52 × 6,781.36
  4. Step 4: Simplify right side
    14,176.12x = 144,202,365.35
  5. Step 5: Solve for x
    x = 144,202,365.35/14,176.12
  6. Step 6: Final answer
    x = 10,172.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.