Home / 11,483.77-17,217.91-3,985.40

Finding the Fourth Proportional to 11,483.77, 17,217.91 and 3,985.40

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Solution

The fourth proportional to 11,483.77, 17,217.91 and 3,985.40 is: 5,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.77 : 17,217.91 = 3,985.40 : x
  2. Step 2: Convert to fraction form
    11,483.77/17,217.91 = 3,985.40/x
  3. Step 3: Cross multiply
    11,483.77x = 17,217.91 × 3,985.40
  4. Step 4: Simplify right side
    11,483.77x = 68,620,152.50
  5. Step 5: Solve for x
    x = 68,620,152.50/11,483.77
  6. Step 6: Final answer
    x = 5,975.40

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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.