Home / 10,188.18-14,056.56-6,415.11

Finding the Fourth Proportional to 10,188.18, 14,056.56 and 6,415.11

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Solution

The fourth proportional to 10,188.18, 14,056.56 and 6,415.11 is: 8,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.18 : 14,056.56 = 6,415.11 : x
  2. Step 2: Convert to fraction form
    10,188.18/14,056.56 = 6,415.11/x
  3. Step 3: Cross multiply
    10,188.18x = 14,056.56 × 6,415.11
  4. Step 4: Simplify right side
    10,188.18x = 90,174,378.62
  5. Step 5: Solve for x
    x = 90,174,378.62/10,188.18
  6. Step 6: Final answer
    x = 8,850.88

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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.