Home / 11,935.32-16,470.74-6,630.63

Finding the Fourth Proportional to 11,935.32, 16,470.74 and 6,630.63

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Solution

The fourth proportional to 11,935.32, 16,470.74 and 6,630.63 is: 9,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.32 : 16,470.74 = 6,630.63 : x
  2. Step 2: Convert to fraction form
    11,935.32/16,470.74 = 6,630.63/x
  3. Step 3: Cross multiply
    11,935.32x = 16,470.74 × 6,630.63
  4. Step 4: Simplify right side
    11,935.32x = 109,211,349.61
  5. Step 5: Solve for x
    x = 109,211,349.61/11,935.32
  6. Step 6: Final answer
    x = 9,150.27

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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.