Home / 12,885.56-19,328.36-3,524.89

Finding the Fourth Proportional to 12,885.56, 19,328.36 and 3,524.89

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Solution

The fourth proportional to 12,885.56, 19,328.36 and 3,524.89 is: 5,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.56 : 19,328.36 = 3,524.89 : x
  2. Step 2: Convert to fraction form
    12,885.56/19,328.36 = 3,524.89/x
  3. Step 3: Cross multiply
    12,885.56x = 19,328.36 × 3,524.89
  4. Step 4: Simplify right side
    12,885.56x = 68,130,333.00
  5. Step 5: Solve for x
    x = 68,130,333.00/12,885.56
  6. Step 6: Final answer
    x = 5,287.34

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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.