Home / 20,212.37-30,332.43-7,064.76

Finding the Fourth Proportional to 20,212.37, 30,332.43 and 7,064.76

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Solution

The fourth proportional to 20,212.37, 30,332.43 and 7,064.76 is: 10,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.37 : 30,332.43 = 7,064.76 : x
  2. Step 2: Convert to fraction form
    20,212.37/30,332.43 = 7,064.76/x
  3. Step 3: Cross multiply
    20,212.37x = 30,332.43 × 7,064.76
  4. Step 4: Simplify right side
    20,212.37x = 214,291,151.18
  5. Step 5: Solve for x
    x = 214,291,151.18/20,212.37
  6. Step 6: Final answer
    x = 10,601.98

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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.