Home / 10,815.42-14,922.45-6,336.77

Finding the Fourth Proportional to 10,815.42, 14,922.45 and 6,336.77

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Solution

The fourth proportional to 10,815.42, 14,922.45 and 6,336.77 is: 8,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.42 : 14,922.45 = 6,336.77 : x
  2. Step 2: Convert to fraction form
    10,815.42/14,922.45 = 6,336.77/x
  3. Step 3: Cross multiply
    10,815.42x = 14,922.45 × 6,336.77
  4. Step 4: Simplify right side
    10,815.42x = 94,560,133.49
  5. Step 5: Solve for x
    x = 94,560,133.49/10,815.42
  6. Step 6: Final answer
    x = 8,743.08

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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.