Home / 13,303.78-19,957.72-4,536.64

Finding the Fourth Proportional to 13,303.78, 19,957.72 and 4,536.64

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Solution

The fourth proportional to 13,303.78, 19,957.72 and 4,536.64 is: 6,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.78 : 19,957.72 = 4,536.64 : x
  2. Step 2: Convert to fraction form
    13,303.78/19,957.72 = 4,536.64/x
  3. Step 3: Cross multiply
    13,303.78x = 19,957.72 × 4,536.64
  4. Step 4: Simplify right side
    13,303.78x = 90,540,968.18
  5. Step 5: Solve for x
    x = 90,540,968.18/13,303.78
  6. Step 6: Final answer
    x = 6,805.66

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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.