Home / 14,954.36-20,637.69-8,988.80

Finding the Fourth Proportional to 14,954.36, 20,637.69 and 8,988.80

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Solution

The fourth proportional to 14,954.36, 20,637.69 and 8,988.80 is: 12,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.36 : 20,637.69 = 8,988.80 : x
  2. Step 2: Convert to fraction form
    14,954.36/20,637.69 = 8,988.80/x
  3. Step 3: Cross multiply
    14,954.36x = 20,637.69 × 8,988.80
  4. Step 4: Simplify right side
    14,954.36x = 185,508,067.87
  5. Step 5: Solve for x
    x = 185,508,067.87/14,954.36
  6. Step 6: Final answer
    x = 12,404.95

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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.