Home / 9,145.93-13,716.78-2,904.76

Finding the Fourth Proportional to 9,145.93, 13,716.78 and 2,904.76

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Solution

The fourth proportional to 9,145.93, 13,716.78 and 2,904.76 is: 4,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.93 : 13,716.78 = 2,904.76 : x
  2. Step 2: Convert to fraction form
    9,145.93/13,716.78 = 2,904.76/x
  3. Step 3: Cross multiply
    9,145.93x = 13,716.78 × 2,904.76
  4. Step 4: Simplify right side
    9,145.93x = 39,843,953.87
  5. Step 5: Solve for x
    x = 39,843,953.87/9,145.93
  6. Step 6: Final answer
    x = 4,356.47

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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.