Home / 10,912.61-16,368.91-3,518.17

Finding the Fourth Proportional to 10,912.61, 16,368.91 and 3,518.17

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Solution

The fourth proportional to 10,912.61, 16,368.91 and 3,518.17 is: 5,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.61 : 16,368.91 = 3,518.17 : x
  2. Step 2: Convert to fraction form
    10,912.61/16,368.91 = 3,518.17/x
  3. Step 3: Cross multiply
    10,912.61x = 16,368.91 × 3,518.17
  4. Step 4: Simplify right side
    10,912.61x = 57,588,558.38
  5. Step 5: Solve for x
    x = 57,588,558.38/10,912.61
  6. Step 6: Final answer
    x = 5,277.25

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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.