Home / 20,973.47-28,944.07-12,022.67

Finding the Fourth Proportional to 20,973.47, 28,944.07 and 12,022.67

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Solution

The fourth proportional to 20,973.47, 28,944.07 and 12,022.67 is: 16,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973.47 : 28,944.07 = 12,022.67 : x
  2. Step 2: Convert to fraction form
    20,973.47/28,944.07 = 12,022.67/x
  3. Step 3: Cross multiply
    20,973.47x = 28,944.07 × 12,022.67
  4. Step 4: Simplify right side
    20,973.47x = 347,985,002.07
  5. Step 5: Solve for x
    x = 347,985,002.07/20,973.47
  6. Step 6: Final answer
    x = 16,591.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.