Home / 11,306.21-15,602.28-6,270.39

Finding the Fourth Proportional to 11,306.21, 15,602.28 and 6,270.39

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Solution

The fourth proportional to 11,306.21, 15,602.28 and 6,270.39 is: 8,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.21 : 15,602.28 = 6,270.39 : x
  2. Step 2: Convert to fraction form
    11,306.21/15,602.28 = 6,270.39/x
  3. Step 3: Cross multiply
    11,306.21x = 15,602.28 × 6,270.39
  4. Step 4: Simplify right side
    11,306.21x = 97,832,380.49
  5. Step 5: Solve for x
    x = 97,832,380.49/11,306.21
  6. Step 6: Final answer
    x = 8,652.98

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Half scale
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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.