Home / 14,486.88-21,730.85-5,127.89

Finding the Fourth Proportional to 14,486.88, 21,730.85 and 5,127.89

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Solution

The fourth proportional to 14,486.88, 21,730.85 and 5,127.89 is: 7,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.88 : 21,730.85 = 5,127.89 : x
  2. Step 2: Convert to fraction form
    14,486.88/21,730.85 = 5,127.89/x
  3. Step 3: Cross multiply
    14,486.88x = 21,730.85 × 5,127.89
  4. Step 4: Simplify right side
    14,486.88x = 111,433,444.42
  5. Step 5: Solve for x
    x = 111,433,444.42/14,486.88
  6. Step 6: Final answer
    x = 7,692.02

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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.