Home / 11,369.28-15,688.32-6,652.80

Finding the Fourth Proportional to 11,369.28, 15,688.32 and 6,652.80

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Solution

The fourth proportional to 11,369.28, 15,688.32 and 6,652.80 is: 9,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.28 : 15,688.32 = 6,652.80 : x
  2. Step 2: Convert to fraction form
    11,369.28/15,688.32 = 6,652.80/x
  3. Step 3: Cross multiply
    11,369.28x = 15,688.32 × 6,652.80
  4. Step 4: Simplify right side
    11,369.28x = 104,371,255.30
  5. Step 5: Solve for x
    x = 104,371,255.30/11,369.28
  6. Step 6: Final answer
    x = 9,180.11

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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.