Home / 12,816.89-19,213.67-4,492.34

Finding the Fourth Proportional to 12,816.89, 19,213.67 and 4,492.34

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Solution

The fourth proportional to 12,816.89, 19,213.67 and 4,492.34 is: 6,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.89 : 19,213.67 = 4,492.34 : x
  2. Step 2: Convert to fraction form
    12,816.89/19,213.67 = 4,492.34/x
  3. Step 3: Cross multiply
    12,816.89x = 19,213.67 × 4,492.34
  4. Step 4: Simplify right side
    12,816.89x = 86,314,219.76
  5. Step 5: Solve for x
    x = 86,314,219.76/12,816.89
  6. Step 6: Final answer
    x = 6,734.41

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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.