Home / 9,909.09-14,855.67-6,781.41

Finding the Fourth Proportional to 9,909.09, 14,855.67 and 6,781.41

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Solution

The fourth proportional to 9,909.09, 14,855.67 and 6,781.41 is: 10,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.09 : 14,855.67 = 6,781.41 : x
  2. Step 2: Convert to fraction form
    9,909.09/14,855.67 = 6,781.41/x
  3. Step 3: Cross multiply
    9,909.09x = 14,855.67 × 6,781.41
  4. Step 4: Simplify right side
    9,909.09x = 100,742,389.09
  5. Step 5: Solve for x
    x = 100,742,389.09/9,909.09
  6. Step 6: Final answer
    x = 10,166.66

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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.