Home / 10,928.51-16,390.76-2,923.38

Finding the Fourth Proportional to 10,928.51, 16,390.76 and 2,923.38

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Solution

The fourth proportional to 10,928.51, 16,390.76 and 2,923.38 is: 4,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.51 : 16,390.76 = 2,923.38 : x
  2. Step 2: Convert to fraction form
    10,928.51/16,390.76 = 2,923.38/x
  3. Step 3: Cross multiply
    10,928.51x = 16,390.76 × 2,923.38
  4. Step 4: Simplify right side
    10,928.51x = 47,916,405.35
  5. Step 5: Solve for x
    x = 47,916,405.35/10,928.51
  6. Step 6: Final answer
    x = 4,384.53

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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.