Home / 13,572.81-18,729.23-7,604.73

Finding the Fourth Proportional to 13,572.81, 18,729.23 and 7,604.73

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Solution

The fourth proportional to 13,572.81, 18,729.23 and 7,604.73 is: 10,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.81 : 18,729.23 = 7,604.73 : x
  2. Step 2: Convert to fraction form
    13,572.81/18,729.23 = 7,604.73/x
  3. Step 3: Cross multiply
    13,572.81x = 18,729.23 × 7,604.73
  4. Step 4: Simplify right side
    13,572.81x = 142,430,699.23
  5. Step 5: Solve for x
    x = 142,430,699.23/13,572.81
  6. Step 6: Final answer
    x = 10,493.83

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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.