Home / 19,688.46-29,499.87-14,133.48

Finding the Fourth Proportional to 19,688.46, 29,499.87 and 14,133.48

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Solution

The fourth proportional to 19,688.46, 29,499.87 and 14,133.48 is: 21,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.46 : 29,499.87 = 14,133.48 : x
  2. Step 2: Convert to fraction form
    19,688.46/29,499.87 = 14,133.48/x
  3. Step 3: Cross multiply
    19,688.46x = 29,499.87 × 14,133.48
  4. Step 4: Simplify right side
    19,688.46x = 416,935,822.65
  5. Step 5: Solve for x
    x = 416,935,822.65/19,688.46
  6. Step 6: Final answer
    x = 21,176.66

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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.