Home / 19,285.14-28,927.17-6,138.30

Finding the Fourth Proportional to 19,285.14, 28,927.17 and 6,138.30

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Solution

The fourth proportional to 19,285.14, 28,927.17 and 6,138.30 is: 9,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.14 : 28,927.17 = 6,138.30 : x
  2. Step 2: Convert to fraction form
    19,285.14/28,927.17 = 6,138.30/x
  3. Step 3: Cross multiply
    19,285.14x = 28,927.17 × 6,138.30
  4. Step 4: Simplify right side
    19,285.14x = 177,563,647.61
  5. Step 5: Solve for x
    x = 177,563,647.61/19,285.14
  6. Step 6: Final answer
    x = 9,207.28

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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.