Home / 10,815.12-14,796.47-10,768.39

Finding the Fourth Proportional to 10,815.12, 14,796.47 and 10,768.39

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Solution

The fourth proportional to 10,815.12, 14,796.47 and 10,768.39 is: 14,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.12 : 14,796.47 = 10,768.39 : x
  2. Step 2: Convert to fraction form
    10,815.12/14,796.47 = 10,768.39/x
  3. Step 3: Cross multiply
    10,815.12x = 14,796.47 × 10,768.39
  4. Step 4: Simplify right side
    10,815.12x = 159,334,232.74
  5. Step 5: Solve for x
    x = 159,334,232.74/10,815.12
  6. Step 6: Final answer
    x = 14,732.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.