Home / 17,931.80-26,897.70-6,838.85

Finding the Fourth Proportional to 17,931.80, 26,897.70 and 6,838.85

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Solution

The fourth proportional to 17,931.80, 26,897.70 and 6,838.85 is: 10,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.80 : 26,897.70 = 6,838.85 : x
  2. Step 2: Convert to fraction form
    17,931.80/26,897.70 = 6,838.85/x
  3. Step 3: Cross multiply
    17,931.80x = 26,897.70 × 6,838.85
  4. Step 4: Simplify right side
    17,931.80x = 183,949,335.65
  5. Step 5: Solve for x
    x = 183,949,335.65/17,931.80
  6. Step 6: Final answer
    x = 10,258.28

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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.