Home / 11,236.32-15,506.28-6,457.05

Finding the Fourth Proportional to 11,236.32, 15,506.28 and 6,457.05

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Solution

The fourth proportional to 11,236.32, 15,506.28 and 6,457.05 is: 8,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.32 : 15,506.28 = 6,457.05 : x
  2. Step 2: Convert to fraction form
    11,236.32/15,506.28 = 6,457.05/x
  3. Step 3: Cross multiply
    11,236.32x = 15,506.28 × 6,457.05
  4. Step 4: Simplify right side
    11,236.32x = 100,124,825.27
  5. Step 5: Solve for x
    x = 100,124,825.27/11,236.32
  6. Step 6: Final answer
    x = 8,910.82

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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.