Home / 9,711.86-14,567.79-4,161.60

Finding the Fourth Proportional to 9,711.86, 14,567.79 and 4,161.60

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Solution

The fourth proportional to 9,711.86, 14,567.79 and 4,161.60 is: 6,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.86 : 14,567.79 = 4,161.60 : x
  2. Step 2: Convert to fraction form
    9,711.86/14,567.79 = 4,161.60/x
  3. Step 3: Cross multiply
    9,711.86x = 14,567.79 × 4,161.60
  4. Step 4: Simplify right side
    9,711.86x = 60,625,314.86
  5. Step 5: Solve for x
    x = 60,625,314.86/9,711.86
  6. Step 6: Final answer
    x = 6,242.40

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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.