Home / 13,010-19,518.36-3,776.24

Finding the Fourth Proportional to 13,010, 19,518.36 and 3,776.24

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Solution

The fourth proportional to 13,010, 19,518.36 and 3,776.24 is: 5,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010 : 19,518.36 = 3,776.24 : x
  2. Step 2: Convert to fraction form
    13,010/19,518.36 = 3,776.24/x
  3. Step 3: Cross multiply
    13,010x = 19,518.36 × 3,776.24
  4. Step 4: Simplify right side
    13,010x = 73,706,011.77
  5. Step 5: Solve for x
    x = 73,706,011.77/13,010
  6. Step 6: Final answer
    x = 5,665.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.