Home / 11,723.40-17,586.48-5,148.76

Finding the Fourth Proportional to 11,723.40, 17,586.48 and 5,148.76

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Solution

The fourth proportional to 11,723.40, 17,586.48 and 5,148.76 is: 7,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.40 : 17,586.48 = 5,148.76 : x
  2. Step 2: Convert to fraction form
    11,723.40/17,586.48 = 5,148.76/x
  3. Step 3: Cross multiply
    11,723.40x = 17,586.48 × 5,148.76
  4. Step 4: Simplify right side
    11,723.40x = 90,548,564.76
  5. Step 5: Solve for x
    x = 90,548,564.76/11,723.40
  6. Step 6: Final answer
    x = 7,723.75

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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.