Home / 9,429.84-13,011.74-5,450.19

Finding the Fourth Proportional to 9,429.84, 13,011.74 and 5,450.19

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Solution

The fourth proportional to 9,429.84, 13,011.74 and 5,450.19 is: 7,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.84 : 13,011.74 = 5,450.19 : x
  2. Step 2: Convert to fraction form
    9,429.84/13,011.74 = 5,450.19/x
  3. Step 3: Cross multiply
    9,429.84x = 13,011.74 × 5,450.19
  4. Step 4: Simplify right side
    9,429.84x = 70,916,379.19
  5. Step 5: Solve for x
    x = 70,916,379.19/9,429.84
  6. Step 6: Final answer
    x = 7,520.42

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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.