Home / 10,636.39-15,954.59-2,845

Finding the Fourth Proportional to 10,636.39, 15,954.59 and 2,845

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Solution

The fourth proportional to 10,636.39, 15,954.59 and 2,845 is: 4,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.39 : 15,954.59 = 2,845 : x
  2. Step 2: Convert to fraction form
    10,636.39/15,954.59 = 2,845/x
  3. Step 3: Cross multiply
    10,636.39x = 15,954.59 × 2,845
  4. Step 4: Simplify right side
    10,636.39x = 45,390,808.55
  5. Step 5: Solve for x
    x = 45,390,808.55/10,636.39
  6. Step 6: Final answer
    x = 4,267.50

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1.5x scale

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.