Home / 18,123.84-27,154.77-14,173.59

Finding the Fourth Proportional to 18,123.84, 27,154.77 and 14,173.59

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Solution

The fourth proportional to 18,123.84, 27,154.77 and 14,173.59 is: 21,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.84 : 27,154.77 = 14,173.59 : x
  2. Step 2: Convert to fraction form
    18,123.84/27,154.77 = 14,173.59/x
  3. Step 3: Cross multiply
    18,123.84x = 27,154.77 × 14,173.59
  4. Step 4: Simplify right side
    18,123.84x = 384,880,576.52
  5. Step 5: Solve for x
    x = 384,880,576.52/18,123.84
  6. Step 6: Final answer
    x = 21,236.15

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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.