Home / 19,803.52-29,721.69-9,945.62

Finding the Fourth Proportional to 19,803.52, 29,721.69 and 9,945.62

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Solution

The fourth proportional to 19,803.52, 29,721.69 and 9,945.62 is: 14,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.52 : 29,721.69 = 9,945.62 : x
  2. Step 2: Convert to fraction form
    19,803.52/29,721.69 = 9,945.62/x
  3. Step 3: Cross multiply
    19,803.52x = 29,721.69 × 9,945.62
  4. Step 4: Simplify right side
    19,803.52x = 295,600,634.50
  5. Step 5: Solve for x
    x = 295,600,634.50/19,803.52
  6. Step 6: Final answer
    x = 14,926.67

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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.