Home / 12,916.08-19,368.96-5,523.84

Finding the Fourth Proportional to 12,916.08, 19,368.96 and 5,523.84

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Solution

The fourth proportional to 12,916.08, 19,368.96 and 5,523.84 is: 8,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.08 : 19,368.96 = 5,523.84 : x
  2. Step 2: Convert to fraction form
    12,916.08/19,368.96 = 5,523.84/x
  3. Step 3: Cross multiply
    12,916.08x = 19,368.96 × 5,523.84
  4. Step 4: Simplify right side
    12,916.08x = 106,991,036.01
  5. Step 5: Solve for x
    x = 106,991,036.01/12,916.08
  6. Step 6: Final answer
    x = 8,283.55

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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.