Home / 13,967.21-19,252.55-10,977.91

Finding the Fourth Proportional to 13,967.21, 19,252.55 and 10,977.91

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Solution

The fourth proportional to 13,967.21, 19,252.55 and 10,977.91 is: 15,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.21 : 19,252.55 = 10,977.91 : x
  2. Step 2: Convert to fraction form
    13,967.21/19,252.55 = 10,977.91/x
  3. Step 3: Cross multiply
    13,967.21x = 19,252.55 × 10,977.91
  4. Step 4: Simplify right side
    13,967.21x = 211,352,740.48
  5. Step 5: Solve for x
    x = 211,352,740.48/13,967.21
  6. Step 6: Final answer
    x = 15,132.06

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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.