Home / 11,271.90-16,883.55-10,040.70

Finding the Fourth Proportional to 11,271.90, 16,883.55 and 10,040.70

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Solution

The fourth proportional to 11,271.90, 16,883.55 and 10,040.70 is: 15,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.90 : 16,883.55 = 10,040.70 : x
  2. Step 2: Convert to fraction form
    11,271.90/16,883.55 = 10,040.70/x
  3. Step 3: Cross multiply
    11,271.90x = 16,883.55 × 10,040.70
  4. Step 4: Simplify right side
    11,271.90x = 169,522,660.49
  5. Step 5: Solve for x
    x = 169,522,660.49/11,271.90
  6. Step 6: Final answer
    x = 15,039.40

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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.