Home / 12,444.02-17,172.74-6,855.02

Finding the Fourth Proportional to 12,444.02, 17,172.74 and 6,855.02

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Solution

The fourth proportional to 12,444.02, 17,172.74 and 6,855.02 is: 9,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.02 : 17,172.74 = 6,855.02 : x
  2. Step 2: Convert to fraction form
    12,444.02/17,172.74 = 6,855.02/x
  3. Step 3: Cross multiply
    12,444.02x = 17,172.74 × 6,855.02
  4. Step 4: Simplify right side
    12,444.02x = 117,719,476.15
  5. Step 5: Solve for x
    x = 117,719,476.15/12,444.02
  6. Step 6: Final answer
    x = 9,459.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.