Home / 11,543.40-17,302.68-4,972.68

Finding the Fourth Proportional to 11,543.40, 17,302.68 and 4,972.68

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Solution

The fourth proportional to 11,543.40, 17,302.68 and 4,972.68 is: 7,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.40 : 17,302.68 = 4,972.68 : x
  2. Step 2: Convert to fraction form
    11,543.40/17,302.68 = 4,972.68/x
  3. Step 3: Cross multiply
    11,543.40x = 17,302.68 × 4,972.68
  4. Step 4: Simplify right side
    11,543.40x = 86,040,690.78
  5. Step 5: Solve for x
    x = 86,040,690.78/11,543.40
  6. Step 6: Final answer
    x = 7,453.67

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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.