Home / 19,129.73-28,697.56-9,764.67

Finding the Fourth Proportional to 19,129.73, 28,697.56 and 9,764.67

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Solution

The fourth proportional to 19,129.73, 28,697.56 and 9,764.67 is: 14,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.73 : 28,697.56 = 9,764.67 : x
  2. Step 2: Convert to fraction form
    19,129.73/28,697.56 = 9,764.67/x
  3. Step 3: Cross multiply
    19,129.73x = 28,697.56 × 9,764.67
  4. Step 4: Simplify right side
    19,129.73x = 280,222,154.38
  5. Step 5: Solve for x
    x = 280,222,154.38/19,129.73
  6. Step 6: Final answer
    x = 14,648.52

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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.