Home / 20,130.93-30,184.47-6,086.70

Finding the Fourth Proportional to 20,130.93, 30,184.47 and 6,086.70

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Solution

The fourth proportional to 20,130.93, 30,184.47 and 6,086.70 is: 9,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130.93 : 30,184.47 = 6,086.70 : x
  2. Step 2: Convert to fraction form
    20,130.93/30,184.47 = 6,086.70/x
  3. Step 3: Cross multiply
    20,130.93x = 30,184.47 × 6,086.70
  4. Step 4: Simplify right side
    20,130.93x = 183,723,813.55
  5. Step 5: Solve for x
    x = 183,723,813.55/20,130.93
  6. Step 6: Final answer
    x = 9,126.44

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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.