Home / 12,719.53-19,075.60-4,397.39

Finding the Fourth Proportional to 12,719.53, 19,075.60 and 4,397.39

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Solution

The fourth proportional to 12,719.53, 19,075.60 and 4,397.39 is: 6,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,719.53 : 19,075.60 = 4,397.39 : x
  2. Step 2: Convert to fraction form
    12,719.53/19,075.60 = 4,397.39/x
  3. Step 3: Cross multiply
    12,719.53x = 19,075.60 × 4,397.39
  4. Step 4: Simplify right side
    12,719.53x = 83,882,834.34
  5. Step 5: Solve for x
    x = 83,882,834.34/12,719.53
  6. Step 6: Final answer
    x = 6,594.81

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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.