Home / 12,393.04-18,586.88-4,388.88

Finding the Fourth Proportional to 12,393.04, 18,586.88 and 4,388.88

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Solution

The fourth proportional to 12,393.04, 18,586.88 and 4,388.88 is: 6,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.04 : 18,586.88 = 4,388.88 : x
  2. Step 2: Convert to fraction form
    12,393.04/18,586.88 = 4,388.88/x
  3. Step 3: Cross multiply
    12,393.04x = 18,586.88 × 4,388.88
  4. Step 4: Simplify right side
    12,393.04x = 81,575,585.89
  5. Step 5: Solve for x
    x = 81,575,585.89/12,393.04
  6. Step 6: Final answer
    x = 6,582.37

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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.