Home / 14,187.84-21,274.64-8,266.68

Finding the Fourth Proportional to 14,187.84, 21,274.64 and 8,266.68

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Solution

The fourth proportional to 14,187.84, 21,274.64 and 8,266.68 is: 12,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.84 : 21,274.64 = 8,266.68 : x
  2. Step 2: Convert to fraction form
    14,187.84/21,274.64 = 8,266.68/x
  3. Step 3: Cross multiply
    14,187.84x = 21,274.64 × 8,266.68
  4. Step 4: Simplify right side
    14,187.84x = 175,870,641.00
  5. Step 5: Solve for x
    x = 175,870,641.00/14,187.84
  6. Step 6: Final answer
    x = 12,395.87

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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.