Home / 14,089.01-19,442.67-7,715.54

Finding the Fourth Proportional to 14,089.01, 19,442.67 and 7,715.54

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Solution

The fourth proportional to 14,089.01, 19,442.67 and 7,715.54 is: 10,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.01 : 19,442.67 = 7,715.54 : x
  2. Step 2: Convert to fraction form
    14,089.01/19,442.67 = 7,715.54/x
  3. Step 3: Cross multiply
    14,089.01x = 19,442.67 × 7,715.54
  4. Step 4: Simplify right side
    14,089.01x = 150,010,698.09
  5. Step 5: Solve for x
    x = 150,010,698.09/14,089.01
  6. Step 6: Final answer
    x = 10,647.36

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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.