Home / 13,998.30-19,317.36-7,624.97

Finding the Fourth Proportional to 13,998.30, 19,317.36 and 7,624.97

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Solution

The fourth proportional to 13,998.30, 19,317.36 and 7,624.97 is: 10,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.30 : 19,317.36 = 7,624.97 : x
  2. Step 2: Convert to fraction form
    13,998.30/19,317.36 = 7,624.97/x
  3. Step 3: Cross multiply
    13,998.30x = 19,317.36 × 7,624.97
  4. Step 4: Simplify right side
    13,998.30x = 147,294,290.48
  5. Step 5: Solve for x
    x = 147,294,290.48/13,998.30
  6. Step 6: Final answer
    x = 10,522.30

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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.