Home / 14,996.81-20,698.13-8,712.83

Finding the Fourth Proportional to 14,996.81, 20,698.13 and 8,712.83

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Solution

The fourth proportional to 14,996.81, 20,698.13 and 8,712.83 is: 12,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.81 : 20,698.13 = 8,712.83 : x
  2. Step 2: Convert to fraction form
    14,996.81/20,698.13 = 8,712.83/x
  3. Step 3: Cross multiply
    14,996.81x = 20,698.13 × 8,712.83
  4. Step 4: Simplify right side
    14,996.81x = 180,339,288.01
  5. Step 5: Solve for x
    x = 180,339,288.01/14,996.81
  6. Step 6: Final answer
    x = 12,025.18

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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.