Home / 19,489.76-26,898.48-10,993.62

Finding the Fourth Proportional to 19,489.76, 26,898.48 and 10,993.62

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Solution

The fourth proportional to 19,489.76, 26,898.48 and 10,993.62 is: 15,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.76 : 26,898.48 = 10,993.62 : x
  2. Step 2: Convert to fraction form
    19,489.76/26,898.48 = 10,993.62/x
  3. Step 3: Cross multiply
    19,489.76x = 26,898.48 × 10,993.62
  4. Step 4: Simplify right side
    19,489.76x = 295,711,667.70
  5. Step 5: Solve for x
    x = 295,711,667.70/19,489.76
  6. Step 6: Final answer
    x = 15,172.67

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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.