Home / 14,011.20-19,316.97-11,319.39

Finding the Fourth Proportional to 14,011.20, 19,316.97 and 11,319.39

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Solution

The fourth proportional to 14,011.20, 19,316.97 and 11,319.39 is: 15,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.20 : 19,316.97 = 11,319.39 : x
  2. Step 2: Convert to fraction form
    14,011.20/19,316.97 = 11,319.39/x
  3. Step 3: Cross multiply
    14,011.20x = 19,316.97 × 11,319.39
  4. Step 4: Simplify right side
    14,011.20x = 218,656,317.05
  5. Step 5: Solve for x
    x = 218,656,317.05/14,011.20
  6. Step 6: Final answer
    x = 15,605.82

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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.