Home / 13,269.24-18,311.34-7,300.56

Finding the Fourth Proportional to 13,269.24, 18,311.34 and 7,300.56

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Solution

The fourth proportional to 13,269.24, 18,311.34 and 7,300.56 is: 10,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.24 : 18,311.34 = 7,300.56 : x
  2. Step 2: Convert to fraction form
    13,269.24/18,311.34 = 7,300.56/x
  3. Step 3: Cross multiply
    13,269.24x = 18,311.34 × 7,300.56
  4. Step 4: Simplify right side
    13,269.24x = 133,683,036.35
  5. Step 5: Solve for x
    x = 133,683,036.35/13,269.24
  6. Step 6: Final answer
    x = 10,074.66

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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.