Home / 11,231.94-15,500.04-6,127.50

Finding the Fourth Proportional to 11,231.94, 15,500.04 and 6,127.50

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Solution

The fourth proportional to 11,231.94, 15,500.04 and 6,127.50 is: 8,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.94 : 15,500.04 = 6,127.50 : x
  2. Step 2: Convert to fraction form
    11,231.94/15,500.04 = 6,127.50/x
  3. Step 3: Cross multiply
    11,231.94x = 15,500.04 × 6,127.50
  4. Step 4: Simplify right side
    11,231.94x = 94,976,495.10
  5. Step 5: Solve for x
    x = 94,976,495.10/11,231.94
  6. Step 6: Final answer
    x = 8,455.93

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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.