Home / 12,393.46-18,586.25-4,071.55

Finding the Fourth Proportional to 12,393.46, 18,586.25 and 4,071.55

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Solution

The fourth proportional to 12,393.46, 18,586.25 and 4,071.55 is: 6,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.46 : 18,586.25 = 4,071.55 : x
  2. Step 2: Convert to fraction form
    12,393.46/18,586.25 = 4,071.55/x
  3. Step 3: Cross multiply
    12,393.46x = 18,586.25 × 4,071.55
  4. Step 4: Simplify right side
    12,393.46x = 75,674,779.36
  5. Step 5: Solve for x
    x = 75,674,779.36/12,393.46
  6. Step 6: Final answer
    x = 6,106.03

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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.