Home / 18,160.02-25,064.91-11,868.84

Finding the Fourth Proportional to 18,160.02, 25,064.91 and 11,868.84

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Solution

The fourth proportional to 18,160.02, 25,064.91 and 11,868.84 is: 16,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.02 : 25,064.91 = 11,868.84 : x
  2. Step 2: Convert to fraction form
    18,160.02/25,064.91 = 11,868.84/x
  3. Step 3: Cross multiply
    18,160.02x = 25,064.91 × 11,868.84
  4. Step 4: Simplify right side
    18,160.02x = 297,491,406.40
  5. Step 5: Solve for x
    x = 297,491,406.40/18,160.02
  6. Step 6: Final answer
    x = 16,381.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.