Home / 15,196.74-20,954.97-9,881.70

Finding the Fourth Proportional to 15,196.74, 20,954.97 and 9,881.70

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Solution

The fourth proportional to 15,196.74, 20,954.97 and 9,881.70 is: 13,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.74 : 20,954.97 = 9,881.70 : x
  2. Step 2: Convert to fraction form
    15,196.74/20,954.97 = 9,881.70/x
  3. Step 3: Cross multiply
    15,196.74x = 20,954.97 × 9,881.70
  4. Step 4: Simplify right side
    15,196.74x = 207,070,727.05
  5. Step 5: Solve for x
    x = 207,070,727.05/15,196.74
  6. Step 6: Final answer
    x = 13,626.00

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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.