Home / 10,856.19-16,282.80-3,460.35

Finding the Fourth Proportional to 10,856.19, 16,282.80 and 3,460.35

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Solution

The fourth proportional to 10,856.19, 16,282.80 and 3,460.35 is: 5,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.19 : 16,282.80 = 3,460.35 : x
  2. Step 2: Convert to fraction form
    10,856.19/16,282.80 = 3,460.35/x
  3. Step 3: Cross multiply
    10,856.19x = 16,282.80 × 3,460.35
  4. Step 4: Simplify right side
    10,856.19x = 56,344,186.98
  5. Step 5: Solve for x
    x = 56,344,186.98/10,856.19
  6. Step 6: Final answer
    x = 5,190.05

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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.