Home / 14,702.26-20,289.22-7,987.89

Finding the Fourth Proportional to 14,702.26, 20,289.22 and 7,987.89

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Solution

The fourth proportional to 14,702.26, 20,289.22 and 7,987.89 is: 11,023.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.26 : 20,289.22 = 7,987.89 : x
  2. Step 2: Convert to fraction form
    14,702.26/20,289.22 = 7,987.89/x
  3. Step 3: Cross multiply
    14,702.26x = 20,289.22 × 7,987.89
  4. Step 4: Simplify right side
    14,702.26x = 162,068,057.55
  5. Step 5: Solve for x
    x = 162,068,057.55/14,702.26
  6. Step 6: Final answer
    x = 11,023.34

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1.5x scale

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.