Home / 9,689.81-14,534.78-3,450.07

Finding the Fourth Proportional to 9,689.81, 14,534.78 and 3,450.07

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Solution

The fourth proportional to 9,689.81, 14,534.78 and 3,450.07 is: 5,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.81 : 14,534.78 = 3,450.07 : x
  2. Step 2: Convert to fraction form
    9,689.81/14,534.78 = 3,450.07/x
  3. Step 3: Cross multiply
    9,689.81x = 14,534.78 × 3,450.07
  4. Step 4: Simplify right side
    9,689.81x = 50,145,983.03
  5. Step 5: Solve for x
    x = 50,145,983.03/9,689.81
  6. Step 6: Final answer
    x = 5,175.12

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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.