Home / 13,069.05-18,034.70-7,403.69

Finding the Fourth Proportional to 13,069.05, 18,034.70 and 7,403.69

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Solution

The fourth proportional to 13,069.05, 18,034.70 and 7,403.69 is: 10,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.05 : 18,034.70 = 7,403.69 : x
  2. Step 2: Convert to fraction form
    13,069.05/18,034.70 = 7,403.69/x
  3. Step 3: Cross multiply
    13,069.05x = 18,034.70 × 7,403.69
  4. Step 4: Simplify right side
    13,069.05x = 133,523,237.87
  5. Step 5: Solve for x
    x = 133,523,237.87/13,069.05
  6. Step 6: Final answer
    x = 10,216.75

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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.