Home / 14,187.85-21,274.65-8,266.69

Finding the Fourth Proportional to 14,187.85, 21,274.65 and 8,266.69

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Solution

The fourth proportional to 14,187.85, 21,274.65 and 8,266.69 is: 12,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.85 : 21,274.65 = 8,266.69 : x
  2. Step 2: Convert to fraction form
    14,187.85/21,274.65 = 8,266.69/x
  3. Step 3: Cross multiply
    14,187.85x = 21,274.65 × 8,266.69
  4. Step 4: Simplify right side
    14,187.85x = 175,870,936.41
  5. Step 5: Solve for x
    x = 175,870,936.41/14,187.85
  6. Step 6: Final answer
    x = 12,395.88

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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.