Home / 19,082.86-28,621.55-9,219.49

Finding the Fourth Proportional to 19,082.86, 28,621.55 and 9,219.49

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Solution

The fourth proportional to 19,082.86, 28,621.55 and 9,219.49 is: 13,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.86 : 28,621.55 = 9,219.49 : x
  2. Step 2: Convert to fraction form
    19,082.86/28,621.55 = 9,219.49/x
  3. Step 3: Cross multiply
    19,082.86x = 28,621.55 × 9,219.49
  4. Step 4: Simplify right side
    19,082.86x = 263,876,045.50
  5. Step 5: Solve for x
    x = 263,876,045.50/19,082.86
  6. Step 6: Final answer
    x = 13,827.91

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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.