Home / 15,900.81-23,853.38-5,513.37

Finding the Fourth Proportional to 15,900.81, 23,853.38 and 5,513.37

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Solution

The fourth proportional to 15,900.81, 23,853.38 and 5,513.37 is: 8,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.81 : 23,853.38 = 5,513.37 : x
  2. Step 2: Convert to fraction form
    15,900.81/23,853.38 = 5,513.37/x
  3. Step 3: Cross multiply
    15,900.81x = 23,853.38 × 5,513.37
  4. Step 4: Simplify right side
    15,900.81x = 131,512,482.12
  5. Step 5: Solve for x
    x = 131,512,482.12/15,900.81
  6. Step 6: Final answer
    x = 8,270.80

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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.