Home / 13,892.24-19,165.20-8,300

Finding the Fourth Proportional to 13,892.24, 19,165.20 and 8,300

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Solution

The fourth proportional to 13,892.24, 19,165.20 and 8,300 is: 11,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.24 : 19,165.20 = 8,300 : x
  2. Step 2: Convert to fraction form
    13,892.24/19,165.20 = 8,300/x
  3. Step 3: Cross multiply
    13,892.24x = 19,165.20 × 8,300
  4. Step 4: Simplify right side
    13,892.24x = 159,071,160
  5. Step 5: Solve for x
    x = 159,071,160/13,892.24
  6. Step 6: Final answer
    x = 11,450.36

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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.