Home / 12,220.02-18,330.06-2,986.02

Finding the Fourth Proportional to 12,220.02, 18,330.06 and 2,986.02

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Solution

The fourth proportional to 12,220.02, 18,330.06 and 2,986.02 is: 4,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220.02 : 18,330.06 = 2,986.02 : x
  2. Step 2: Convert to fraction form
    12,220.02/18,330.06 = 2,986.02/x
  3. Step 3: Cross multiply
    12,220.02x = 18,330.06 × 2,986.02
  4. Step 4: Simplify right side
    12,220.02x = 54,733,925.76
  5. Step 5: Solve for x
    x = 54,733,925.76/12,220.02
  6. Step 6: Final answer
    x = 4,479.04

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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.