Home / 14,519.21-21,776.77-4,657.21

Finding the Fourth Proportional to 14,519.21, 21,776.77 and 4,657.21

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Solution

The fourth proportional to 14,519.21, 21,776.77 and 4,657.21 is: 6,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.21 : 21,776.77 = 4,657.21 : x
  2. Step 2: Convert to fraction form
    14,519.21/21,776.77 = 4,657.21/x
  3. Step 3: Cross multiply
    14,519.21x = 21,776.77 × 4,657.21
  4. Step 4: Simplify right side
    14,519.21x = 101,418,858.84
  5. Step 5: Solve for x
    x = 101,418,858.84/14,519.21
  6. Step 6: Final answer
    x = 6,985.15

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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.