Home / 20,139.04-30,212.70-6,099.82

Finding the Fourth Proportional to 20,139.04, 30,212.70 and 6,099.82

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Solution

The fourth proportional to 20,139.04, 30,212.70 and 6,099.82 is: 9,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139.04 : 30,212.70 = 6,099.82 : x
  2. Step 2: Convert to fraction form
    20,139.04/30,212.70 = 6,099.82/x
  3. Step 3: Cross multiply
    20,139.04x = 30,212.70 × 6,099.82
  4. Step 4: Simplify right side
    20,139.04x = 184,292,031.71
  5. Step 5: Solve for x
    x = 184,292,031.71/20,139.04
  6. Step 6: Final answer
    x = 9,150.98

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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.