Home / 12,544.58-17,312.09-7,507.85

Finding the Fourth Proportional to 12,544.58, 17,312.09 and 7,507.85

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Solution

The fourth proportional to 12,544.58, 17,312.09 and 7,507.85 is: 10,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.58 : 17,312.09 = 7,507.85 : x
  2. Step 2: Convert to fraction form
    12,544.58/17,312.09 = 7,507.85/x
  3. Step 3: Cross multiply
    12,544.58x = 17,312.09 × 7,507.85
  4. Step 4: Simplify right side
    12,544.58x = 129,976,450.81
  5. Step 5: Solve for x
    x = 129,976,450.81/12,544.58
  6. Step 6: Final answer
    x = 10,361.16

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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.