Home / 14,014.85-21,015.88-8,741.75

Finding the Fourth Proportional to 14,014.85, 21,015.88 and 8,741.75

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Solution

The fourth proportional to 14,014.85, 21,015.88 and 8,741.75 is: 13,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.85 : 21,015.88 = 8,741.75 : x
  2. Step 2: Convert to fraction form
    14,014.85/21,015.88 = 8,741.75/x
  3. Step 3: Cross multiply
    14,014.85x = 21,015.88 × 8,741.75
  4. Step 4: Simplify right side
    14,014.85x = 183,715,442.06
  5. Step 5: Solve for x
    x = 183,715,442.06/14,014.85
  6. Step 6: Final answer
    x = 13,108.63

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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.