Home / 9,711.90-14,567.87-4,161.65

Finding the Fourth Proportional to 9,711.90, 14,567.87 and 4,161.65

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Solution

The fourth proportional to 9,711.90, 14,567.87 and 4,161.65 is: 6,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.90 : 14,567.87 = 4,161.65 : x
  2. Step 2: Convert to fraction form
    9,711.90/14,567.87 = 4,161.65/x
  3. Step 3: Cross multiply
    9,711.90x = 14,567.87 × 4,161.65
  4. Step 4: Simplify right side
    9,711.90x = 60,626,282.54
  5. Step 5: Solve for x
    x = 60,626,282.54/9,711.90
  6. Step 6: Final answer
    x = 6,242.47

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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.