Home / 14,185.08-21,277.80-7,942.32

Finding the Fourth Proportional to 14,185.08, 21,277.80 and 7,942.32

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Solution

The fourth proportional to 14,185.08, 21,277.80 and 7,942.32 is: 11,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.08 : 21,277.80 = 7,942.32 : x
  2. Step 2: Convert to fraction form
    14,185.08/21,277.80 = 7,942.32/x
  3. Step 3: Cross multiply
    14,185.08x = 21,277.80 × 7,942.32
  4. Step 4: Simplify right side
    14,185.08x = 168,995,096.50
  5. Step 5: Solve for x
    x = 168,995,096.50/14,185.08
  6. Step 6: Final answer
    x = 11,913.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.