Home / 13,078.47-19,611.56-4,752.62

Finding the Fourth Proportional to 13,078.47, 19,611.56 and 4,752.62

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Solution

The fourth proportional to 13,078.47, 19,611.56 and 4,752.62 is: 7,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.47 : 19,611.56 = 4,752.62 : x
  2. Step 2: Convert to fraction form
    13,078.47/19,611.56 = 4,752.62/x
  3. Step 3: Cross multiply
    13,078.47x = 19,611.56 × 4,752.62
  4. Step 4: Simplify right side
    13,078.47x = 93,206,206.11
  5. Step 5: Solve for x
    x = 93,206,206.11/13,078.47
  6. Step 6: Final answer
    x = 7,126.69

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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.