Home / 9,998.28-15,000.66-4,804.56

Finding the Fourth Proportional to 9,998.28, 15,000.66 and 4,804.56

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Solution

The fourth proportional to 9,998.28, 15,000.66 and 4,804.56 is: 7,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.28 : 15,000.66 = 4,804.56 : x
  2. Step 2: Convert to fraction form
    9,998.28/15,000.66 = 4,804.56/x
  3. Step 3: Cross multiply
    9,998.28x = 15,000.66 × 4,804.56
  4. Step 4: Simplify right side
    9,998.28x = 72,071,571.01
  5. Step 5: Solve for x
    x = 72,071,571.01/9,998.28
  6. Step 6: Final answer
    x = 7,208.40

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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.