Home / 11,150.51-15,387.70-6,114.81

Finding the Fourth Proportional to 11,150.51, 15,387.70 and 6,114.81

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Solution

The fourth proportional to 11,150.51, 15,387.70 and 6,114.81 is: 8,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.51 : 15,387.70 = 6,114.81 : x
  2. Step 2: Convert to fraction form
    11,150.51/15,387.70 = 6,114.81/x
  3. Step 3: Cross multiply
    11,150.51x = 15,387.70 × 6,114.81
  4. Step 4: Simplify right side
    11,150.51x = 94,092,861.84
  5. Step 5: Solve for x
    x = 94,092,861.84/11,150.51
  6. Step 6: Final answer
    x = 8,438.44

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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.