Home / 9,914.46-14,890.18-8,728.92

Finding the Fourth Proportional to 9,914.46, 14,890.18 and 8,728.92

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Solution

The fourth proportional to 9,914.46, 14,890.18 and 8,728.92 is: 13,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.46 : 14,890.18 = 8,728.92 : x
  2. Step 2: Convert to fraction form
    9,914.46/14,890.18 = 8,728.92/x
  3. Step 3: Cross multiply
    9,914.46x = 14,890.18 × 8,728.92
  4. Step 4: Simplify right side
    9,914.46x = 129,975,190.01
  5. Step 5: Solve for x
    x = 129,975,190.01/9,914.46
  6. Step 6: Final answer
    x = 13,109.66

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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.