Home / 9,905.41-13,667.23-6,719.14

Finding the Fourth Proportional to 9,905.41, 13,667.23 and 6,719.14

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Solution

The fourth proportional to 9,905.41, 13,667.23 and 6,719.14 is: 9,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.41 : 13,667.23 = 6,719.14 : x
  2. Step 2: Convert to fraction form
    9,905.41/13,667.23 = 6,719.14/x
  3. Step 3: Cross multiply
    9,905.41x = 13,667.23 × 6,719.14
  4. Step 4: Simplify right side
    9,905.41x = 91,832,031.78
  5. Step 5: Solve for x
    x = 91,832,031.78/9,905.41
  6. Step 6: Final answer
    x = 9,270.90

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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.