Home / 9,013.65-13,520.26-4,079.71

Finding the Fourth Proportional to 9,013.65, 13,520.26 and 4,079.71

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Solution

The fourth proportional to 9,013.65, 13,520.26 and 4,079.71 is: 6,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.65 : 13,520.26 = 4,079.71 : x
  2. Step 2: Convert to fraction form
    9,013.65/13,520.26 = 4,079.71/x
  3. Step 3: Cross multiply
    9,013.65x = 13,520.26 × 4,079.71
  4. Step 4: Simplify right side
    9,013.65x = 55,158,739.92
  5. Step 5: Solve for x
    x = 55,158,739.92/9,013.65
  6. Step 6: Final answer
    x = 6,119.47

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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.