Home / 19,073.10-28,628.04-9,219.30

Finding the Fourth Proportional to 19,073.10, 28,628.04 and 9,219.30

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Solution

The fourth proportional to 19,073.10, 28,628.04 and 9,219.30 is: 13,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.10 : 28,628.04 = 9,219.30 : x
  2. Step 2: Convert to fraction form
    19,073.10/28,628.04 = 9,219.30/x
  3. Step 3: Cross multiply
    19,073.10x = 28,628.04 × 9,219.30
  4. Step 4: Simplify right side
    19,073.10x = 263,930,489.17
  5. Step 5: Solve for x
    x = 263,930,489.17/19,073.10
  6. Step 6: Final answer
    x = 13,837.84

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1.5x scale

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.