Home / 10,212.81-15,297.68-4,670.82

Finding the Fourth Proportional to 10,212.81, 15,297.68 and 4,670.82

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Solution

The fourth proportional to 10,212.81, 15,297.68 and 4,670.82 is: 6,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.81 : 15,297.68 = 4,670.82 : x
  2. Step 2: Convert to fraction form
    10,212.81/15,297.68 = 4,670.82/x
  3. Step 3: Cross multiply
    10,212.81x = 15,297.68 × 4,670.82
  4. Step 4: Simplify right side
    10,212.81x = 71,452,721.37
  5. Step 5: Solve for x
    x = 71,452,721.37/10,212.81
  6. Step 6: Final answer
    x = 6,996.38

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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.