Home / 11,681.99-17,512.56-4,284.72

Finding the Fourth Proportional to 11,681.99, 17,512.56 and 4,284.72

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Solution

The fourth proportional to 11,681.99, 17,512.56 and 4,284.72 is: 6,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.99 : 17,512.56 = 4,284.72 : x
  2. Step 2: Convert to fraction form
    11,681.99/17,512.56 = 4,284.72/x
  3. Step 3: Cross multiply
    11,681.99x = 17,512.56 × 4,284.72
  4. Step 4: Simplify right side
    11,681.99x = 75,036,416.08
  5. Step 5: Solve for x
    x = 75,036,416.08/11,681.99
  6. Step 6: Final answer
    x = 6,423.26

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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.