Home / 10,427.54-15,623.08-8,683.76

Finding the Fourth Proportional to 10,427.54, 15,623.08 and 8,683.76

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Solution

The fourth proportional to 10,427.54, 15,623.08 and 8,683.76 is: 13,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.54 : 15,623.08 = 8,683.76 : x
  2. Step 2: Convert to fraction form
    10,427.54/15,623.08 = 8,683.76/x
  3. Step 3: Cross multiply
    10,427.54x = 15,623.08 × 8,683.76
  4. Step 4: Simplify right side
    10,427.54x = 135,667,006.65
  5. Step 5: Solve for x
    x = 135,667,006.65/10,427.54
  6. Step 6: Final answer
    x = 13,010.46

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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.