Home / 17,986.83-26,988.59-6,889.83

Finding the Fourth Proportional to 17,986.83, 26,988.59 and 6,889.83

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Solution

The fourth proportional to 17,986.83, 26,988.59 and 6,889.83 is: 10,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.83 : 26,988.59 = 6,889.83 : x
  2. Step 2: Convert to fraction form
    17,986.83/26,988.59 = 6,889.83/x
  3. Step 3: Cross multiply
    17,986.83x = 26,988.59 × 6,889.83
  4. Step 4: Simplify right side
    17,986.83x = 185,946,762.59
  5. Step 5: Solve for x
    x = 185,946,762.59/17,986.83
  6. Step 6: Final answer
    x = 10,337.94

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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.