Home / 12,205.02-18,307.54-4,412.01

Finding the Fourth Proportional to 12,205.02, 18,307.54 and 4,412.01

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Solution

The fourth proportional to 12,205.02, 18,307.54 and 4,412.01 is: 6,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.02 : 18,307.54 = 4,412.01 : x
  2. Step 2: Convert to fraction form
    12,205.02/18,307.54 = 4,412.01/x
  3. Step 3: Cross multiply
    12,205.02x = 18,307.54 × 4,412.01
  4. Step 4: Simplify right side
    12,205.02x = 80,773,073.26
  5. Step 5: Solve for x
    x = 80,773,073.26/12,205.02
  6. Step 6: Final answer
    x = 6,618.02

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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.