Home / 10,308.87-15,460.07-2,913.57

Finding the Fourth Proportional to 10,308.87, 15,460.07 and 2,913.57

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Solution

The fourth proportional to 10,308.87, 15,460.07 and 2,913.57 is: 4,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.87 : 15,460.07 = 2,913.57 : x
  2. Step 2: Convert to fraction form
    10,308.87/15,460.07 = 2,913.57/x
  3. Step 3: Cross multiply
    10,308.87x = 15,460.07 × 2,913.57
  4. Step 4: Simplify right side
    10,308.87x = 45,043,981.58
  5. Step 5: Solve for x
    x = 45,043,981.58/10,308.87
  6. Step 6: Final answer
    x = 4,369.44

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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.