Home / 19,458.14-29,199.02-7,770.38

Finding the Fourth Proportional to 19,458.14, 29,199.02 and 7,770.38

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Solution

The fourth proportional to 19,458.14, 29,199.02 and 7,770.38 is: 11,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.14 : 29,199.02 = 7,770.38 : x
  2. Step 2: Convert to fraction form
    19,458.14/29,199.02 = 7,770.38/x
  3. Step 3: Cross multiply
    19,458.14x = 29,199.02 × 7,770.38
  4. Step 4: Simplify right side
    19,458.14x = 226,887,296.18
  5. Step 5: Solve for x
    x = 226,887,296.18/19,458.14
  6. Step 6: Final answer
    x = 11,660.28

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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.