Home / 10,307.25-15,460.97-2,911.55

Finding the Fourth Proportional to 10,307.25, 15,460.97 and 2,911.55

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Solution

The fourth proportional to 10,307.25, 15,460.97 and 2,911.55 is: 4,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.25 : 15,460.97 = 2,911.55 : x
  2. Step 2: Convert to fraction form
    10,307.25/15,460.97 = 2,911.55/x
  3. Step 3: Cross multiply
    10,307.25x = 15,460.97 × 2,911.55
  4. Step 4: Simplify right side
    10,307.25x = 45,015,295.34
  5. Step 5: Solve for x
    x = 45,015,295.34/10,307.25
  6. Step 6: Final answer
    x = 4,367.34

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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.