Home / 9,039.01-13,557.75-3,115.89

Finding the Fourth Proportional to 9,039.01, 13,557.75 and 3,115.89

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Solution

The fourth proportional to 9,039.01, 13,557.75 and 3,115.89 is: 4,673.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.01 : 13,557.75 = 3,115.89 : x
  2. Step 2: Convert to fraction form
    9,039.01/13,557.75 = 3,115.89/x
  3. Step 3: Cross multiply
    9,039.01x = 13,557.75 × 3,115.89
  4. Step 4: Simplify right side
    9,039.01x = 42,244,457.65
  5. Step 5: Solve for x
    x = 42,244,457.65/9,039.01
  6. Step 6: Final answer
    x = 4,673.57

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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.