Home / 12,677.23-18,983.04-11,266.66

Finding the Fourth Proportional to 12,677.23, 18,983.04 and 11,266.66

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Solution

The fourth proportional to 12,677.23, 18,983.04 and 11,266.66 is: 16,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.23 : 18,983.04 = 11,266.66 : x
  2. Step 2: Convert to fraction form
    12,677.23/18,983.04 = 11,266.66/x
  3. Step 3: Cross multiply
    12,677.23x = 18,983.04 × 11,266.66
  4. Step 4: Simplify right side
    12,677.23x = 213,875,457.45
  5. Step 5: Solve for x
    x = 213,875,457.45/12,677.23
  6. Step 6: Final answer
    x = 16,870.84

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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.