Home / 13,079.04-18,050.76-7,415.82

Finding the Fourth Proportional to 13,079.04, 18,050.76 and 7,415.82

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Solution

The fourth proportional to 13,079.04, 18,050.76 and 7,415.82 is: 10,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.04 : 18,050.76 = 7,415.82 : x
  2. Step 2: Convert to fraction form
    13,079.04/18,050.76 = 7,415.82/x
  3. Step 3: Cross multiply
    13,079.04x = 18,050.76 × 7,415.82
  4. Step 4: Simplify right side
    13,079.04x = 133,861,187.02
  5. Step 5: Solve for x
    x = 133,861,187.02/13,079.04
  6. Step 6: Final answer
    x = 10,234.79

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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.