Home / 12,211.02-18,300.06-6,355.80

Finding the Fourth Proportional to 12,211.02, 18,300.06 and 6,355.80

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Solution

The fourth proportional to 12,211.02, 18,300.06 and 6,355.80 is: 9,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.02 : 18,300.06 = 6,355.80 : x
  2. Step 2: Convert to fraction form
    12,211.02/18,300.06 = 6,355.80/x
  3. Step 3: Cross multiply
    12,211.02x = 18,300.06 × 6,355.80
  4. Step 4: Simplify right side
    12,211.02x = 116,311,521.35
  5. Step 5: Solve for x
    x = 116,311,521.35/12,211.02
  6. Step 6: Final answer
    x = 9,525.13

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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.