Home / 13,309.50-19,968.86-4,550.58

Finding the Fourth Proportional to 13,309.50, 19,968.86 and 4,550.58

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Solution

The fourth proportional to 13,309.50, 19,968.86 and 4,550.58 is: 6,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.50 : 19,968.86 = 4,550.58 : x
  2. Step 2: Convert to fraction form
    13,309.50/19,968.86 = 4,550.58/x
  3. Step 3: Cross multiply
    13,309.50x = 19,968.86 × 4,550.58
  4. Step 4: Simplify right side
    13,309.50x = 90,869,872.19
  5. Step 5: Solve for x
    x = 90,869,872.19/13,309.50
  6. Step 6: Final answer
    x = 6,827.44

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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.