Home / 13,126.44-19,685.41-4,359

Finding the Fourth Proportional to 13,126.44, 19,685.41 and 4,359

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Solution

The fourth proportional to 13,126.44, 19,685.41 and 4,359 is: 6,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.44 : 19,685.41 = 4,359 : x
  2. Step 2: Convert to fraction form
    13,126.44/19,685.41 = 4,359/x
  3. Step 3: Cross multiply
    13,126.44x = 19,685.41 × 4,359
  4. Step 4: Simplify right side
    13,126.44x = 85,808,702.19
  5. Step 5: Solve for x
    x = 85,808,702.19/13,126.44
  6. Step 6: Final answer
    x = 6,537.09

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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.