Home / 11,108.46-15,330.14-6,392.76

Finding the Fourth Proportional to 11,108.46, 15,330.14 and 6,392.76

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Solution

The fourth proportional to 11,108.46, 15,330.14 and 6,392.76 is: 8,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.46 : 15,330.14 = 6,392.76 : x
  2. Step 2: Convert to fraction form
    11,108.46/15,330.14 = 6,392.76/x
  3. Step 3: Cross multiply
    11,108.46x = 15,330.14 × 6,392.76
  4. Step 4: Simplify right side
    11,108.46x = 98,001,905.79
  5. Step 5: Solve for x
    x = 98,001,905.79/11,108.46
  6. Step 6: Final answer
    x = 8,822.28

Related Problems

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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.