Home / 13,572.61-18,729.97-7,604.35

Finding the Fourth Proportional to 13,572.61, 18,729.97 and 7,604.35

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Solution

The fourth proportional to 13,572.61, 18,729.97 and 7,604.35 is: 10,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.61 : 18,729.97 = 7,604.35 : x
  2. Step 2: Convert to fraction form
    13,572.61/18,729.97 = 7,604.35/x
  3. Step 3: Cross multiply
    13,572.61x = 18,729.97 × 7,604.35
  4. Step 4: Simplify right side
    13,572.61x = 142,429,247.37
  5. Step 5: Solve for x
    x = 142,429,247.37/13,572.61
  6. Step 6: Final answer
    x = 10,493.87

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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.