Home / 10,521.44-15,771.48-6,826.02

Finding the Fourth Proportional to 10,521.44, 15,771.48 and 6,826.02

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Solution

The fourth proportional to 10,521.44, 15,771.48 and 6,826.02 is: 10,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.44 : 15,771.48 = 6,826.02 : x
  2. Step 2: Convert to fraction form
    10,521.44/15,771.48 = 6,826.02/x
  3. Step 3: Cross multiply
    10,521.44x = 15,771.48 × 6,826.02
  4. Step 4: Simplify right side
    10,521.44x = 107,656,437.91
  5. Step 5: Solve for x
    x = 107,656,437.91/10,521.44
  6. Step 6: Final answer
    x = 10,232.10

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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.