Home / 10,883.70-16,276.95-9,134.10

Finding the Fourth Proportional to 10,883.70, 16,276.95 and 9,134.10

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Solution

The fourth proportional to 10,883.70, 16,276.95 and 9,134.10 is: 13,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.70 : 16,276.95 = 9,134.10 : x
  2. Step 2: Convert to fraction form
    10,883.70/16,276.95 = 9,134.10/x
  3. Step 3: Cross multiply
    10,883.70x = 16,276.95 × 9,134.10
  4. Step 4: Simplify right side
    10,883.70x = 148,675,289.00
  5. Step 5: Solve for x
    x = 148,675,289.00/10,883.70
  6. Step 6: Final answer
    x = 13,660.36

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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.