Home / 13,031.21-19,546.78-9,152.93

Finding the Fourth Proportional to 13,031.21, 19,546.78 and 9,152.93

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Solution

The fourth proportional to 13,031.21, 19,546.78 and 9,152.93 is: 13,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.21 : 19,546.78 = 9,152.93 : x
  2. Step 2: Convert to fraction form
    13,031.21/19,546.78 = 9,152.93/x
  3. Step 3: Cross multiply
    13,031.21x = 19,546.78 × 9,152.93
  4. Step 4: Simplify right side
    13,031.21x = 178,910,309.07
  5. Step 5: Solve for x
    x = 178,910,309.07/13,031.21
  6. Step 6: Final answer
    x = 13,729.37

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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.