Home / 10,813.95-16,214.37-5,261.70

Finding the Fourth Proportional to 10,813.95, 16,214.37 and 5,261.70

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Solution

The fourth proportional to 10,813.95, 16,214.37 and 5,261.70 is: 7,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.95 : 16,214.37 = 5,261.70 : x
  2. Step 2: Convert to fraction form
    10,813.95/16,214.37 = 5,261.70/x
  3. Step 3: Cross multiply
    10,813.95x = 16,214.37 × 5,261.70
  4. Step 4: Simplify right side
    10,813.95x = 85,315,150.63
  5. Step 5: Solve for x
    x = 85,315,150.63/10,813.95
  6. Step 6: Final answer
    x = 7,889.36

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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.