Home / 19,089.57-28,627.49-6,606.20

Finding the Fourth Proportional to 19,089.57, 28,627.49 and 6,606.20

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Solution

The fourth proportional to 19,089.57, 28,627.49 and 6,606.20 is: 9,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.57 : 28,627.49 = 6,606.20 : x
  2. Step 2: Convert to fraction form
    19,089.57/28,627.49 = 6,606.20/x
  3. Step 3: Cross multiply
    19,089.57x = 28,627.49 × 6,606.20
  4. Step 4: Simplify right side
    19,089.57x = 189,119,000.14
  5. Step 5: Solve for x
    x = 189,119,000.14/19,089.57
  6. Step 6: Final answer
    x = 9,906.93

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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.