Home / 13,031.64-19,548.34-6,456.06

Finding the Fourth Proportional to 13,031.64, 19,548.34 and 6,456.06

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Solution

The fourth proportional to 13,031.64, 19,548.34 and 6,456.06 is: 9,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.64 : 19,548.34 = 6,456.06 : x
  2. Step 2: Convert to fraction form
    13,031.64/19,548.34 = 6,456.06/x
  3. Step 3: Cross multiply
    13,031.64x = 19,548.34 × 6,456.06
  4. Step 4: Simplify right side
    13,031.64x = 126,205,255.94
  5. Step 5: Solve for x
    x = 126,205,255.94/13,031.64
  6. Step 6: Final answer
    x = 9,684.53

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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.