Home / 19,285.76-28,930.77-6,135.08

Finding the Fourth Proportional to 19,285.76, 28,930.77 and 6,135.08

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Solution

The fourth proportional to 19,285.76, 28,930.77 and 6,135.08 is: 9,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.76 : 28,930.77 = 6,135.08 : x
  2. Step 2: Convert to fraction form
    19,285.76/28,930.77 = 6,135.08/x
  3. Step 3: Cross multiply
    19,285.76x = 28,930.77 × 6,135.08
  4. Step 4: Simplify right side
    19,285.76x = 177,492,443.76
  5. Step 5: Solve for x
    x = 177,492,443.76/19,285.76
  6. Step 6: Final answer
    x = 9,203.29

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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.