Home / 13,284.49-19,899.79-6,158.71

Finding the Fourth Proportional to 13,284.49, 19,899.79 and 6,158.71

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Solution

The fourth proportional to 13,284.49, 19,899.79 and 6,158.71 is: 9,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.49 : 19,899.79 = 6,158.71 : x
  2. Step 2: Convert to fraction form
    13,284.49/19,899.79 = 6,158.71/x
  3. Step 3: Cross multiply
    13,284.49x = 19,899.79 × 6,158.71
  4. Step 4: Simplify right side
    13,284.49x = 122,556,985.92
  5. Step 5: Solve for x
    x = 122,556,985.92/13,284.49
  6. Step 6: Final answer
    x = 9,225.57

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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.