Home / 13,636.02-20,456.34-4,274.22

Finding the Fourth Proportional to 13,636.02, 20,456.34 and 4,274.22

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Solution

The fourth proportional to 13,636.02, 20,456.34 and 4,274.22 is: 6,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.02 : 20,456.34 = 4,274.22 : x
  2. Step 2: Convert to fraction form
    13,636.02/20,456.34 = 4,274.22/x
  3. Step 3: Cross multiply
    13,636.02x = 20,456.34 × 4,274.22
  4. Step 4: Simplify right side
    13,636.02x = 87,434,897.55
  5. Step 5: Solve for x
    x = 87,434,897.55/13,636.02
  6. Step 6: Final answer
    x = 6,412.05

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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.