Home / 19,860.25-29,790.35-5,069.16

Finding the Fourth Proportional to 19,860.25, 29,790.35 and 5,069.16

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Solution

The fourth proportional to 19,860.25, 29,790.35 and 5,069.16 is: 7,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.25 : 29,790.35 = 5,069.16 : x
  2. Step 2: Convert to fraction form
    19,860.25/29,790.35 = 5,069.16/x
  3. Step 3: Cross multiply
    19,860.25x = 29,790.35 × 5,069.16
  4. Step 4: Simplify right side
    19,860.25x = 151,012,099.74
  5. Step 5: Solve for x
    x = 151,012,099.74/19,860.25
  6. Step 6: Final answer
    x = 7,603.74

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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.