Home / 19,077.85-28,616.64-5,930.20

Finding the Fourth Proportional to 19,077.85, 28,616.64 and 5,930.20

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Solution

The fourth proportional to 19,077.85, 28,616.64 and 5,930.20 is: 8,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.85 : 28,616.64 = 5,930.20 : x
  2. Step 2: Convert to fraction form
    19,077.85/28,616.64 = 5,930.20/x
  3. Step 3: Cross multiply
    19,077.85x = 28,616.64 × 5,930.20
  4. Step 4: Simplify right side
    19,077.85x = 169,702,398.53
  5. Step 5: Solve for x
    x = 169,702,398.53/19,077.85
  6. Step 6: Final answer
    x = 8,895.26

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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.