Home / 12,088.70-18,133.05-3,323.60

Finding the Fourth Proportional to 12,088.70, 18,133.05 and 3,323.60

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Solution

The fourth proportional to 12,088.70, 18,133.05 and 3,323.60 is: 4,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.70 : 18,133.05 = 3,323.60 : x
  2. Step 2: Convert to fraction form
    12,088.70/18,133.05 = 3,323.60/x
  3. Step 3: Cross multiply
    12,088.70x = 18,133.05 × 3,323.60
  4. Step 4: Simplify right side
    12,088.70x = 60,267,004.98
  5. Step 5: Solve for x
    x = 60,267,004.98/12,088.70
  6. Step 6: Final answer
    x = 4,985.40

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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.