Home / 20,184.55-30,278.37-6,145.77

Finding the Fourth Proportional to 20,184.55, 30,278.37 and 6,145.77

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Solution

The fourth proportional to 20,184.55, 30,278.37 and 6,145.77 is: 9,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.55 : 30,278.37 = 6,145.77 : x
  2. Step 2: Convert to fraction form
    20,184.55/30,278.37 = 6,145.77/x
  3. Step 3: Cross multiply
    20,184.55x = 30,278.37 × 6,145.77
  4. Step 4: Simplify right side
    20,184.55x = 186,083,897.99
  5. Step 5: Solve for x
    x = 186,083,897.99/20,184.55
  6. Step 6: Final answer
    x = 9,219.13

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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.