Home / 14,665.35-20,235.36-8,702.31

Finding the Fourth Proportional to 14,665.35, 20,235.36 and 8,702.31

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Solution

The fourth proportional to 14,665.35, 20,235.36 and 8,702.31 is: 12,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.35 : 20,235.36 = 8,702.31 : x
  2. Step 2: Convert to fraction form
    14,665.35/20,235.36 = 8,702.31/x
  3. Step 3: Cross multiply
    14,665.35x = 20,235.36 × 8,702.31
  4. Step 4: Simplify right side
    14,665.35x = 176,094,375.68
  5. Step 5: Solve for x
    x = 176,094,375.68/14,665.35
  6. Step 6: Final answer
    x = 12,007.51

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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.