Home / 20,631.86-30,946.26-6,591.32

Finding the Fourth Proportional to 20,631.86, 30,946.26 and 6,591.32

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Solution

The fourth proportional to 20,631.86, 30,946.26 and 6,591.32 is: 9,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631.86 : 30,946.26 = 6,591.32 : x
  2. Step 2: Convert to fraction form
    20,631.86/30,946.26 = 6,591.32/x
  3. Step 3: Cross multiply
    20,631.86x = 30,946.26 × 6,591.32
  4. Step 4: Simplify right side
    20,631.86x = 203,976,702.46
  5. Step 5: Solve for x
    x = 203,976,702.46/20,631.86
  6. Step 6: Final answer
    x = 9,886.49

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1.5x scale

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.