Home / 11,012.81-15,199.25-7,246.89

Finding the Fourth Proportional to 11,012.81, 15,199.25 and 7,246.89

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Solution

The fourth proportional to 11,012.81, 15,199.25 and 7,246.89 is: 10,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.81 : 15,199.25 = 7,246.89 : x
  2. Step 2: Convert to fraction form
    11,012.81/15,199.25 = 7,246.89/x
  3. Step 3: Cross multiply
    11,012.81x = 15,199.25 × 7,246.89
  4. Step 4: Simplify right side
    11,012.81x = 110,147,256.60
  5. Step 5: Solve for x
    x = 110,147,256.60/11,012.81
  6. Step 6: Final answer
    x = 10,001.74

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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.