Home / 19,969.24-29,953.18-8,119.50

Finding the Fourth Proportional to 19,969.24, 29,953.18 and 8,119.50

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Solution

The fourth proportional to 19,969.24, 29,953.18 and 8,119.50 is: 12,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.24 : 29,953.18 = 8,119.50 : x
  2. Step 2: Convert to fraction form
    19,969.24/29,953.18 = 8,119.50/x
  3. Step 3: Cross multiply
    19,969.24x = 29,953.18 × 8,119.50
  4. Step 4: Simplify right side
    19,969.24x = 243,204,804.41
  5. Step 5: Solve for x
    x = 243,204,804.41/19,969.24
  6. Step 6: Final answer
    x = 12,178.97

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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.