Home / 10,835.85-14,942.90-7,244.72

Finding the Fourth Proportional to 10,835.85, 14,942.90 and 7,244.72

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Solution

The fourth proportional to 10,835.85, 14,942.90 and 7,244.72 is: 9,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.85 : 14,942.90 = 7,244.72 : x
  2. Step 2: Convert to fraction form
    10,835.85/14,942.90 = 7,244.72/x
  3. Step 3: Cross multiply
    10,835.85x = 14,942.90 × 7,244.72
  4. Step 4: Simplify right side
    10,835.85x = 108,257,069.89
  5. Step 5: Solve for x
    x = 108,257,069.89/10,835.85
  6. Step 6: Final answer
    x = 9,990.64

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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.