Home / 15,811.20-23,697.60-7,036.80

Finding the Fourth Proportional to 15,811.20, 23,697.60 and 7,036.80

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Solution

The fourth proportional to 15,811.20, 23,697.60 and 7,036.80 is: 10,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.20 : 23,697.60 = 7,036.80 : x
  2. Step 2: Convert to fraction form
    15,811.20/23,697.60 = 7,036.80/x
  3. Step 3: Cross multiply
    15,811.20x = 23,697.60 × 7,036.80
  4. Step 4: Simplify right side
    15,811.20x = 166,755,271.68
  5. Step 5: Solve for x
    x = 166,755,271.68/15,811.20
  6. Step 6: Final answer
    x = 10,546.66

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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.