Home / 13,323.96-19,969.38-7,484.76

Finding the Fourth Proportional to 13,323.96, 19,969.38 and 7,484.76

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Solution

The fourth proportional to 13,323.96, 19,969.38 and 7,484.76 is: 11,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.96 : 19,969.38 = 7,484.76 : x
  2. Step 2: Convert to fraction form
    13,323.96/19,969.38 = 7,484.76/x
  3. Step 3: Cross multiply
    13,323.96x = 19,969.38 × 7,484.76
  4. Step 4: Simplify right side
    13,323.96x = 149,466,016.65
  5. Step 5: Solve for x
    x = 149,466,016.65/13,323.96
  6. Step 6: Final answer
    x = 11,217.84

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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.