Home / 12,056.48-18,084.72-3,291.20

Finding the Fourth Proportional to 12,056.48, 18,084.72 and 3,291.20

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Solution

The fourth proportional to 12,056.48, 18,084.72 and 3,291.20 is: 4,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.48 : 18,084.72 = 3,291.20 : x
  2. Step 2: Convert to fraction form
    12,056.48/18,084.72 = 3,291.20/x
  3. Step 3: Cross multiply
    12,056.48x = 18,084.72 × 3,291.20
  4. Step 4: Simplify right side
    12,056.48x = 59,520,430.46
  5. Step 5: Solve for x
    x = 59,520,430.46/12,056.48
  6. Step 6: Final answer
    x = 4,936.80

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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.