Home / 13,308.58-19,967.08-3,948.63

Finding the Fourth Proportional to 13,308.58, 19,967.08 and 3,948.63

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Solution

The fourth proportional to 13,308.58, 19,967.08 and 3,948.63 is: 5,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.58 : 19,967.08 = 3,948.63 : x
  2. Step 2: Convert to fraction form
    13,308.58/19,967.08 = 3,948.63/x
  3. Step 3: Cross multiply
    13,308.58x = 19,967.08 × 3,948.63
  4. Step 4: Simplify right side
    13,308.58x = 78,842,611.10
  5. Step 5: Solve for x
    x = 78,842,611.10/13,308.58
  6. Step 6: Final answer
    x = 5,924.19

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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.