Home / 11,171.40-16,766.55-4,602.30

Finding the Fourth Proportional to 11,171.40, 16,766.55 and 4,602.30

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Solution

The fourth proportional to 11,171.40, 16,766.55 and 4,602.30 is: 6,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.40 : 16,766.55 = 4,602.30 : x
  2. Step 2: Convert to fraction form
    11,171.40/16,766.55 = 4,602.30/x
  3. Step 3: Cross multiply
    11,171.40x = 16,766.55 × 4,602.30
  4. Step 4: Simplify right side
    11,171.40x = 77,164,693.07
  5. Step 5: Solve for x
    x = 77,164,693.07/11,171.40
  6. Step 6: Final answer
    x = 6,907.34

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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.