Home / 13,009.02-19,516.64-4,243.95

Finding the Fourth Proportional to 13,009.02, 19,516.64 and 4,243.95

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Solution

The fourth proportional to 13,009.02, 19,516.64 and 4,243.95 is: 6,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.02 : 19,516.64 = 4,243.95 : x
  2. Step 2: Convert to fraction form
    13,009.02/19,516.64 = 4,243.95/x
  3. Step 3: Cross multiply
    13,009.02x = 19,516.64 × 4,243.95
  4. Step 4: Simplify right side
    13,009.02x = 82,827,644.33
  5. Step 5: Solve for x
    x = 82,827,644.33/13,009.02
  6. Step 6: Final answer
    x = 6,366.94

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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.