Home / 12,722.53-19,080.10-4,400.39

Finding the Fourth Proportional to 12,722.53, 19,080.10 and 4,400.39

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Solution

The fourth proportional to 12,722.53, 19,080.10 and 4,400.39 is: 6,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.53 : 19,080.10 = 4,400.39 : x
  2. Step 2: Convert to fraction form
    12,722.53/19,080.10 = 4,400.39/x
  3. Step 3: Cross multiply
    12,722.53x = 19,080.10 × 4,400.39
  4. Step 4: Simplify right side
    12,722.53x = 83,959,881.24
  5. Step 5: Solve for x
    x = 83,959,881.24/12,722.53
  6. Step 6: Final answer
    x = 6,599.31

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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.