Home / 13,143.42-19,715.41-4,710.48

Finding the Fourth Proportional to 13,143.42, 19,715.41 and 4,710.48

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Solution

The fourth proportional to 13,143.42, 19,715.41 and 4,710.48 is: 7,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.42 : 19,715.41 = 4,710.48 : x
  2. Step 2: Convert to fraction form
    13,143.42/19,715.41 = 4,710.48/x
  3. Step 3: Cross multiply
    13,143.42x = 19,715.41 × 4,710.48
  4. Step 4: Simplify right side
    13,143.42x = 92,868,934.14
  5. Step 5: Solve for x
    x = 92,868,934.14/13,143.42
  6. Step 6: Final answer
    x = 7,065.81

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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.