Home / 12,492.46-18,647.55-10,916.03

Finding the Fourth Proportional to 12,492.46, 18,647.55 and 10,916.03

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Solution

The fourth proportional to 12,492.46, 18,647.55 and 10,916.03 is: 16,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.46 : 18,647.55 = 10,916.03 : x
  2. Step 2: Convert to fraction form
    12,492.46/18,647.55 = 10,916.03/x
  3. Step 3: Cross multiply
    12,492.46x = 18,647.55 × 10,916.03
  4. Step 4: Simplify right side
    12,492.46x = 203,557,261.85
  5. Step 5: Solve for x
    x = 203,557,261.85/12,492.46
  6. Step 6: Final answer
    x = 16,294.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.