Home / 19,707.24-29,588.19-12,340.68

Finding the Fourth Proportional to 19,707.24, 29,588.19 and 12,340.68

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Solution

The fourth proportional to 19,707.24, 29,588.19 and 12,340.68 is: 18,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.24 : 29,588.19 = 12,340.68 : x
  2. Step 2: Convert to fraction form
    19,707.24/29,588.19 = 12,340.68/x
  3. Step 3: Cross multiply
    19,707.24x = 29,588.19 × 12,340.68
  4. Step 4: Simplify right side
    19,707.24x = 365,138,384.57
  5. Step 5: Solve for x
    x = 365,138,384.57/19,707.24
  6. Step 6: Final answer
    x = 18,528.13

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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.