Home / 14,218.59-19,621.60-7,930.96

Finding the Fourth Proportional to 14,218.59, 19,621.60 and 7,930.96

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Solution

The fourth proportional to 14,218.59, 19,621.60 and 7,930.96 is: 10,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.59 : 19,621.60 = 7,930.96 : x
  2. Step 2: Convert to fraction form
    14,218.59/19,621.60 = 7,930.96/x
  3. Step 3: Cross multiply
    14,218.59x = 19,621.60 × 7,930.96
  4. Step 4: Simplify right side
    14,218.59x = 155,618,124.74
  5. Step 5: Solve for x
    x = 155,618,124.74/14,218.59
  6. Step 6: Final answer
    x = 10,944.69

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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.