Home / 15,818.36-23,729.63-5,821.74

Finding the Fourth Proportional to 15,818.36, 23,729.63 and 5,821.74

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Solution

The fourth proportional to 15,818.36, 23,729.63 and 5,821.74 is: 8,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.36 : 23,729.63 = 5,821.74 : x
  2. Step 2: Convert to fraction form
    15,818.36/23,729.63 = 5,821.74/x
  3. Step 3: Cross multiply
    15,818.36x = 23,729.63 × 5,821.74
  4. Step 4: Simplify right side
    15,818.36x = 138,147,707.05
  5. Step 5: Solve for x
    x = 138,147,707.05/15,818.36
  6. Step 6: Final answer
    x = 8,733.38

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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.