Home / 10,455.52-14,429.04-5,980

Finding the Fourth Proportional to 10,455.52, 14,429.04 and 5,980

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Solution

The fourth proportional to 10,455.52, 14,429.04 and 5,980 is: 8,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.52 : 14,429.04 = 5,980 : x
  2. Step 2: Convert to fraction form
    10,455.52/14,429.04 = 5,980/x
  3. Step 3: Cross multiply
    10,455.52x = 14,429.04 × 5,980
  4. Step 4: Simplify right side
    10,455.52x = 86,285,659.20
  5. Step 5: Solve for x
    x = 86,285,659.20/10,455.52
  6. Step 6: Final answer
    x = 8,252.64

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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.