Home / 14,702.26-20,289.28-7,988.02

Finding the Fourth Proportional to 14,702.26, 20,289.28 and 7,988.02

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Solution

The fourth proportional to 14,702.26, 20,289.28 and 7,988.02 is: 11,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.26 : 20,289.28 = 7,988.02 : x
  2. Step 2: Convert to fraction form
    14,702.26/20,289.28 = 7,988.02/x
  3. Step 3: Cross multiply
    14,702.26x = 20,289.28 × 7,988.02
  4. Step 4: Simplify right side
    14,702.26x = 162,071,174.43
  5. Step 5: Solve for x
    x = 162,071,174.43/14,702.26
  6. Step 6: Final answer
    x = 11,023.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.