Home / 11,935.08-16,470.94-6,630.40

Finding the Fourth Proportional to 11,935.08, 16,470.94 and 6,630.40

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Solution

The fourth proportional to 11,935.08, 16,470.94 and 6,630.40 is: 9,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.08 : 16,470.94 = 6,630.40 : x
  2. Step 2: Convert to fraction form
    11,935.08/16,470.94 = 6,630.40/x
  3. Step 3: Cross multiply
    11,935.08x = 16,470.94 × 6,630.40
  4. Step 4: Simplify right side
    11,935.08x = 109,208,920.58
  5. Step 5: Solve for x
    x = 109,208,920.58/11,935.08
  6. Step 6: Final answer
    x = 9,150.25

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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.