Home / 12,586.23-18,878.04-4,266.03

Finding the Fourth Proportional to 12,586.23, 18,878.04 and 4,266.03

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Solution

The fourth proportional to 12,586.23, 18,878.04 and 4,266.03 is: 6,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.23 : 18,878.04 = 4,266.03 : x
  2. Step 2: Convert to fraction form
    12,586.23/18,878.04 = 4,266.03/x
  3. Step 3: Cross multiply
    12,586.23x = 18,878.04 × 4,266.03
  4. Step 4: Simplify right side
    12,586.23x = 80,534,284.98
  5. Step 5: Solve for x
    x = 80,534,284.98/12,586.23
  6. Step 6: Final answer
    x = 6,398.60

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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.