Home / 11,730.13-16,187.58-6,425.28

Finding the Fourth Proportional to 11,730.13, 16,187.58 and 6,425.28

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Solution

The fourth proportional to 11,730.13, 16,187.58 and 6,425.28 is: 8,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.13 : 16,187.58 = 6,425.28 : x
  2. Step 2: Convert to fraction form
    11,730.13/16,187.58 = 6,425.28/x
  3. Step 3: Cross multiply
    11,730.13x = 16,187.58 × 6,425.28
  4. Step 4: Simplify right side
    11,730.13x = 104,009,653.08
  5. Step 5: Solve for x
    x = 104,009,653.08/11,730.13
  6. Step 6: Final answer
    x = 8,866.88

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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.