Home / 20,256.48-30,363.87-7,773.18

Finding the Fourth Proportional to 20,256.48, 30,363.87 and 7,773.18

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Solution

The fourth proportional to 20,256.48, 30,363.87 and 7,773.18 is: 11,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.48 : 30,363.87 = 7,773.18 : x
  2. Step 2: Convert to fraction form
    20,256.48/30,363.87 = 7,773.18/x
  3. Step 3: Cross multiply
    20,256.48x = 30,363.87 × 7,773.18
  4. Step 4: Simplify right side
    20,256.48x = 236,023,827.01
  5. Step 5: Solve for x
    x = 236,023,827.01/20,256.48
  6. Step 6: Final answer
    x = 11,651.77

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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.