Home / 14,630.64-20,190.51-8,342.61

Finding the Fourth Proportional to 14,630.64, 20,190.51 and 8,342.61

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Solution

The fourth proportional to 14,630.64, 20,190.51 and 8,342.61 is: 11,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.64 : 20,190.51 = 8,342.61 : x
  2. Step 2: Convert to fraction form
    14,630.64/20,190.51 = 8,342.61/x
  3. Step 3: Cross multiply
    14,630.64x = 20,190.51 × 8,342.61
  4. Step 4: Simplify right side
    14,630.64x = 168,441,550.63
  5. Step 5: Solve for x
    x = 168,441,550.63/14,630.64
  6. Step 6: Final answer
    x = 11,512.93

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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.