Home / 12,445.18-18,642.76-6,186.26

Finding the Fourth Proportional to 12,445.18, 18,642.76 and 6,186.26

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Solution

The fourth proportional to 12,445.18, 18,642.76 and 6,186.26 is: 9,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.18 : 18,642.76 = 6,186.26 : x
  2. Step 2: Convert to fraction form
    12,445.18/18,642.76 = 6,186.26/x
  3. Step 3: Cross multiply
    12,445.18x = 18,642.76 × 6,186.26
  4. Step 4: Simplify right side
    12,445.18x = 115,328,960.48
  5. Step 5: Solve for x
    x = 115,328,960.48/12,445.18
  6. Step 6: Final answer
    x = 9,266.96

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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.