Home / 13,998.93-19,318.14-7,625.40

Finding the Fourth Proportional to 13,998.93, 19,318.14 and 7,625.40

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Solution

The fourth proportional to 13,998.93, 19,318.14 and 7,625.40 is: 10,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.93 : 19,318.14 = 7,625.40 : x
  2. Step 2: Convert to fraction form
    13,998.93/19,318.14 = 7,625.40/x
  3. Step 3: Cross multiply
    13,998.93x = 19,318.14 × 7,625.40
  4. Step 4: Simplify right side
    13,998.93x = 147,308,544.76
  5. Step 5: Solve for x
    x = 147,308,544.76/13,998.93
  6. Step 6: Final answer
    x = 10,522.84

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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.