Home / 16,839.81-23,247.33-13,054.47

Finding the Fourth Proportional to 16,839.81, 23,247.33 and 13,054.47

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Solution

The fourth proportional to 16,839.81, 23,247.33 and 13,054.47 is: 18,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.81 : 23,247.33 = 13,054.47 : x
  2. Step 2: Convert to fraction form
    16,839.81/23,247.33 = 13,054.47/x
  3. Step 3: Cross multiply
    16,839.81x = 23,247.33 × 13,054.47
  4. Step 4: Simplify right side
    16,839.81x = 303,481,572.07
  5. Step 5: Solve for x
    x = 303,481,572.07/16,839.81
  6. Step 6: Final answer
    x = 18,021.67

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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.