Home / 14,147.44-19,522.90-7,860.20

Finding the Fourth Proportional to 14,147.44, 19,522.90 and 7,860.20

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Solution

The fourth proportional to 14,147.44, 19,522.90 and 7,860.20 is: 10,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.44 : 19,522.90 = 7,860.20 : x
  2. Step 2: Convert to fraction form
    14,147.44/19,522.90 = 7,860.20/x
  3. Step 3: Cross multiply
    14,147.44x = 19,522.90 × 7,860.20
  4. Step 4: Simplify right side
    14,147.44x = 153,453,898.58
  5. Step 5: Solve for x
    x = 153,453,898.58/14,147.44
  6. Step 6: Final answer
    x = 10,846.76

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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.