Home / 11,522.45-15,901.02-6,486.75

Finding the Fourth Proportional to 11,522.45, 15,901.02 and 6,486.75

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Solution

The fourth proportional to 11,522.45, 15,901.02 and 6,486.75 is: 8,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.45 : 15,901.02 = 6,486.75 : x
  2. Step 2: Convert to fraction form
    11,522.45/15,901.02 = 6,486.75/x
  3. Step 3: Cross multiply
    11,522.45x = 15,901.02 × 6,486.75
  4. Step 4: Simplify right side
    11,522.45x = 103,145,941.49
  5. Step 5: Solve for x
    x = 103,145,941.49/11,522.45
  6. Step 6: Final answer
    x = 8,951.74

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Half scale
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Double 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.