Home / 11,573.45-17,353.48-10,189.56

Finding the Fourth Proportional to 11,573.45, 17,353.48 and 10,189.56

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Solution

The fourth proportional to 11,573.45, 17,353.48 and 10,189.56 is: 15,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.45 : 17,353.48 = 10,189.56 : x
  2. Step 2: Convert to fraction form
    11,573.45/17,353.48 = 10,189.56/x
  3. Step 3: Cross multiply
    11,573.45x = 17,353.48 × 10,189.56
  4. Step 4: Simplify right side
    11,573.45x = 176,824,325.67
  5. Step 5: Solve for x
    x = 176,824,325.67/11,573.45
  6. Step 6: Final answer
    x = 15,278.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.