Home / 11,603.61-17,405.39-4,208.05

Finding the Fourth Proportional to 11,603.61, 17,405.39 and 4,208.05

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Solution

The fourth proportional to 11,603.61, 17,405.39 and 4,208.05 is: 6,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.61 : 17,405.39 = 4,208.05 : x
  2. Step 2: Convert to fraction form
    11,603.61/17,405.39 = 4,208.05/x
  3. Step 3: Cross multiply
    11,603.61x = 17,405.39 × 4,208.05
  4. Step 4: Simplify right side
    11,603.61x = 73,242,718.40
  5. Step 5: Solve for x
    x = 73,242,718.40/11,603.61
  6. Step 6: Final answer
    x = 6,312.06

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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.