Home / 10,890.54-16,338.54-4,316.76

Finding the Fourth Proportional to 10,890.54, 16,338.54 and 4,316.76

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Solution

The fourth proportional to 10,890.54, 16,338.54 and 4,316.76 is: 6,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.54 : 16,338.54 = 4,316.76 : x
  2. Step 2: Convert to fraction form
    10,890.54/16,338.54 = 4,316.76/x
  3. Step 3: Cross multiply
    10,890.54x = 16,338.54 × 4,316.76
  4. Step 4: Simplify right side
    10,890.54x = 70,529,555.93
  5. Step 5: Solve for x
    x = 70,529,555.93/10,890.54
  6. Step 6: Final answer
    x = 6,476.22

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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.