Home / 11,307.52-16,959.34-2,987.62

Finding the Fourth Proportional to 11,307.52, 16,959.34 and 2,987.62

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Solution

The fourth proportional to 11,307.52, 16,959.34 and 2,987.62 is: 4,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.52 : 16,959.34 = 2,987.62 : x
  2. Step 2: Convert to fraction form
    11,307.52/16,959.34 = 2,987.62/x
  3. Step 3: Cross multiply
    11,307.52x = 16,959.34 × 2,987.62
  4. Step 4: Simplify right side
    11,307.52x = 50,668,063.37
  5. Step 5: Solve for x
    x = 50,668,063.37/11,307.52
  6. Step 6: Final answer
    x = 4,480.92

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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.