Home / 10,419.39-15,630.63-3,023.91

Finding the Fourth Proportional to 10,419.39, 15,630.63 and 3,023.91

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Solution

The fourth proportional to 10,419.39, 15,630.63 and 3,023.91 is: 4,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.39 : 15,630.63 = 3,023.91 : x
  2. Step 2: Convert to fraction form
    10,419.39/15,630.63 = 3,023.91/x
  3. Step 3: Cross multiply
    10,419.39x = 15,630.63 × 3,023.91
  4. Step 4: Simplify right side
    10,419.39x = 47,265,618.36
  5. Step 5: Solve for x
    x = 47,265,618.36/10,419.39
  6. Step 6: Final answer
    x = 4,536.31

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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.