Home / 20,004.76-30,000.18-11,133.63

Finding the Fourth Proportional to 20,004.76, 30,000.18 and 11,133.63

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Solution

The fourth proportional to 20,004.76, 30,000.18 and 11,133.63 is: 16,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.76 : 30,000.18 = 11,133.63 : x
  2. Step 2: Convert to fraction form
    20,004.76/30,000.18 = 11,133.63/x
  3. Step 3: Cross multiply
    20,004.76x = 30,000.18 × 11,133.63
  4. Step 4: Simplify right side
    20,004.76x = 334,010,904.05
  5. Step 5: Solve for x
    x = 334,010,904.05/20,004.76
  6. Step 6: Final answer
    x = 16,696.58

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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.