Home / 9,039.40-13,554.84-5,871.69

Finding the Fourth Proportional to 9,039.40, 13,554.84 and 5,871.69

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Solution

The fourth proportional to 9,039.40, 13,554.84 and 5,871.69 is: 8,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.40 : 13,554.84 = 5,871.69 : x
  2. Step 2: Convert to fraction form
    9,039.40/13,554.84 = 5,871.69/x
  3. Step 3: Cross multiply
    9,039.40x = 13,554.84 × 5,871.69
  4. Step 4: Simplify right side
    9,039.40x = 79,589,840.50
  5. Step 5: Solve for x
    x = 79,589,840.50/9,039.40
  6. Step 6: Final answer
    x = 8,804.77

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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.