Home / 19,246.90-28,864.35-7,563.70

Finding the Fourth Proportional to 19,246.90, 28,864.35 and 7,563.70

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Solution

The fourth proportional to 19,246.90, 28,864.35 and 7,563.70 is: 11,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.90 : 28,864.35 = 7,563.70 : x
  2. Step 2: Convert to fraction form
    19,246.90/28,864.35 = 7,563.70/x
  3. Step 3: Cross multiply
    19,246.90x = 28,864.35 × 7,563.70
  4. Step 4: Simplify right side
    19,246.90x = 218,321,284.10
  5. Step 5: Solve for x
    x = 218,321,284.10/19,246.90
  6. Step 6: Final answer
    x = 11,343.19

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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.