Home / 10,856.81-16,285.84-4,193.34

Finding the Fourth Proportional to 10,856.81, 16,285.84 and 4,193.34

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Solution

The fourth proportional to 10,856.81, 16,285.84 and 4,193.34 is: 6,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.81 : 16,285.84 = 4,193.34 : x
  2. Step 2: Convert to fraction form
    10,856.81/16,285.84 = 4,193.34/x
  3. Step 3: Cross multiply
    10,856.81x = 16,285.84 × 4,193.34
  4. Step 4: Simplify right side
    10,856.81x = 68,292,064.31
  5. Step 5: Solve for x
    x = 68,292,064.31/10,856.81
  6. Step 6: Final answer
    x = 6,290.25

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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.