Home / 14,849.93-20,491.89-8,719.65

Finding the Fourth Proportional to 14,849.93, 20,491.89 and 8,719.65

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Solution

The fourth proportional to 14,849.93, 20,491.89 and 8,719.65 is: 12,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.93 : 20,491.89 = 8,719.65 : x
  2. Step 2: Convert to fraction form
    14,849.93/20,491.89 = 8,719.65/x
  3. Step 3: Cross multiply
    14,849.93x = 20,491.89 × 8,719.65
  4. Step 4: Simplify right side
    14,849.93x = 178,682,075.94
  5. Step 5: Solve for x
    x = 178,682,075.94/14,849.93
  6. Step 6: Final answer
    x = 12,032.52

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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.