Home / 16,619.52-24,913.89-8,720.40

Finding the Fourth Proportional to 16,619.52, 24,913.89 and 8,720.40

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Solution

The fourth proportional to 16,619.52, 24,913.89 and 8,720.40 is: 13,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.52 : 24,913.89 = 8,720.40 : x
  2. Step 2: Convert to fraction form
    16,619.52/24,913.89 = 8,720.40/x
  3. Step 3: Cross multiply
    16,619.52x = 24,913.89 × 8,720.40
  4. Step 4: Simplify right side
    16,619.52x = 217,259,086.36
  5. Step 5: Solve for x
    x = 217,259,086.36/16,619.52
  6. Step 6: Final answer
    x = 13,072.52

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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.