Home / 12,288.03-18,432.05-3,054.03

Finding the Fourth Proportional to 12,288.03, 18,432.05 and 3,054.03

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Solution

The fourth proportional to 12,288.03, 18,432.05 and 3,054.03 is: 4,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.03 : 18,432.05 = 3,054.03 : x
  2. Step 2: Convert to fraction form
    12,288.03/18,432.05 = 3,054.03/x
  3. Step 3: Cross multiply
    12,288.03x = 18,432.05 × 3,054.03
  4. Step 4: Simplify right side
    12,288.03x = 56,291,941.50
  5. Step 5: Solve for x
    x = 56,291,941.50/12,288.03
  6. Step 6: Final answer
    x = 4,581.04

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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.