Home / 14,905.32-20,578.36-9,873.86

Finding the Fourth Proportional to 14,905.32, 20,578.36 and 9,873.86

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Solution

The fourth proportional to 14,905.32, 20,578.36 and 9,873.86 is: 13,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.32 : 20,578.36 = 9,873.86 : x
  2. Step 2: Convert to fraction form
    14,905.32/20,578.36 = 9,873.86/x
  3. Step 3: Cross multiply
    14,905.32x = 20,578.36 × 9,873.86
  4. Step 4: Simplify right side
    14,905.32x = 203,187,845.67
  5. Step 5: Solve for x
    x = 203,187,845.67/14,905.32
  6. Step 6: Final answer
    x = 13,631.90

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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.