Home / 20,993.14-31,498.80-10,473.67

Finding the Fourth Proportional to 20,993.14, 31,498.80 and 10,473.67

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Solution

The fourth proportional to 20,993.14, 31,498.80 and 10,473.67 is: 15,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,993.14 : 31,498.80 = 10,473.67 : x
  2. Step 2: Convert to fraction form
    20,993.14/31,498.80 = 10,473.67/x
  3. Step 3: Cross multiply
    20,993.14x = 31,498.80 × 10,473.67
  4. Step 4: Simplify right side
    20,993.14x = 329,908,036.60
  5. Step 5: Solve for x
    x = 329,908,036.60/20,993.14
  6. Step 6: Final answer
    x = 15,715.04

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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.