Home / 17,911.92-26,870.80-6,228.48

Finding the Fourth Proportional to 17,911.92, 26,870.80 and 6,228.48

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Solution

The fourth proportional to 17,911.92, 26,870.80 and 6,228.48 is: 9,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.92 : 26,870.80 = 6,228.48 : x
  2. Step 2: Convert to fraction form
    17,911.92/26,870.80 = 6,228.48/x
  3. Step 3: Cross multiply
    17,911.92x = 26,870.80 × 6,228.48
  4. Step 4: Simplify right side
    17,911.92x = 167,364,240.38
  5. Step 5: Solve for x
    x = 167,364,240.38/17,911.92
  6. Step 6: Final answer
    x = 9,343.74

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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.