Home / 18,021.69-27,031.77-6,176.57

Finding the Fourth Proportional to 18,021.69, 27,031.77 and 6,176.57

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Solution

The fourth proportional to 18,021.69, 27,031.77 and 6,176.57 is: 9,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.69 : 27,031.77 = 6,176.57 : x
  2. Step 2: Convert to fraction form
    18,021.69/27,031.77 = 6,176.57/x
  3. Step 3: Cross multiply
    18,021.69x = 27,031.77 × 6,176.57
  4. Step 4: Simplify right side
    18,021.69x = 166,963,484.47
  5. Step 5: Solve for x
    x = 166,963,484.47/18,021.69
  6. Step 6: Final answer
    x = 9,264.59

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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.