Home / 13,911.97-19,199.01-7,624.35

Finding the Fourth Proportional to 13,911.97, 19,199.01 and 7,624.35

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Solution

The fourth proportional to 13,911.97, 19,199.01 and 7,624.35 is: 10,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.97 : 19,199.01 = 7,624.35 : x
  2. Step 2: Convert to fraction form
    13,911.97/19,199.01 = 7,624.35/x
  3. Step 3: Cross multiply
    13,911.97x = 19,199.01 × 7,624.35
  4. Step 4: Simplify right side
    13,911.97x = 146,379,971.89
  5. Step 5: Solve for x
    x = 146,379,971.89/13,911.97
  6. Step 6: Final answer
    x = 10,521.87

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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.