Home / 13,436.88-20,154.24-8,492.10

Finding the Fourth Proportional to 13,436.88, 20,154.24 and 8,492.10

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Solution

The fourth proportional to 13,436.88, 20,154.24 and 8,492.10 is: 12,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.88 : 20,154.24 = 8,492.10 : x
  2. Step 2: Convert to fraction form
    13,436.88/20,154.24 = 8,492.10/x
  3. Step 3: Cross multiply
    13,436.88x = 20,154.24 × 8,492.10
  4. Step 4: Simplify right side
    13,436.88x = 171,151,821.50
  5. Step 5: Solve for x
    x = 171,151,821.50/13,436.88
  6. Step 6: Final answer
    x = 12,737.47

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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.