Home / 19,197.81-28,797.53-9,345.38

Finding the Fourth Proportional to 19,197.81, 28,797.53 and 9,345.38

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Solution

The fourth proportional to 19,197.81, 28,797.53 and 9,345.38 is: 14,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.81 : 28,797.53 = 9,345.38 : x
  2. Step 2: Convert to fraction form
    19,197.81/28,797.53 = 9,345.38/x
  3. Step 3: Cross multiply
    19,197.81x = 28,797.53 × 9,345.38
  4. Step 4: Simplify right side
    19,197.81x = 269,123,670.20
  5. Step 5: Solve for x
    x = 269,123,670.20/19,197.81
  6. Step 6: Final answer
    x = 14,018.46

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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.