Home / 11,133.93-15,366.51-6,353.85

Finding the Fourth Proportional to 11,133.93, 15,366.51 and 6,353.85

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Solution

The fourth proportional to 11,133.93, 15,366.51 and 6,353.85 is: 8,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.93 : 15,366.51 = 6,353.85 : x
  2. Step 2: Convert to fraction form
    11,133.93/15,366.51 = 6,353.85/x
  3. Step 3: Cross multiply
    11,133.93x = 15,366.51 × 6,353.85
  4. Step 4: Simplify right side
    11,133.93x = 97,636,499.56
  5. Step 5: Solve for x
    x = 97,636,499.56/11,133.93
  6. Step 6: Final answer
    x = 8,769.28

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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.