Home / 13,269.45-19,901.70-5,369.90

Finding the Fourth Proportional to 13,269.45, 19,901.70 and 5,369.90

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Solution

The fourth proportional to 13,269.45, 19,901.70 and 5,369.90 is: 8,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.45 : 19,901.70 = 5,369.90 : x
  2. Step 2: Convert to fraction form
    13,269.45/19,901.70 = 5,369.90/x
  3. Step 3: Cross multiply
    13,269.45x = 19,901.70 × 5,369.90
  4. Step 4: Simplify right side
    13,269.45x = 106,870,039.32
  5. Step 5: Solve for x
    x = 106,870,039.32/13,269.45
  6. Step 6: Final answer
    x = 8,053.84

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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.