Home / 15,911.70-23,871.59-11,240.83

Finding the Fourth Proportional to 15,911.70, 23,871.59 and 11,240.83

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Solution

The fourth proportional to 15,911.70, 23,871.59 and 11,240.83 is: 16,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.70 : 23,871.59 = 11,240.83 : x
  2. Step 2: Convert to fraction form
    15,911.70/23,871.59 = 11,240.83/x
  3. Step 3: Cross multiply
    15,911.70x = 23,871.59 × 11,240.83
  4. Step 4: Simplify right side
    15,911.70x = 268,336,485.02
  5. Step 5: Solve for x
    x = 268,336,485.02/15,911.70
  6. Step 6: Final answer
    x = 16,864.10

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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.