Home / 11,980.04-17,971.29-4,590.68

Finding the Fourth Proportional to 11,980.04, 17,971.29 and 4,590.68

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Solution

The fourth proportional to 11,980.04, 17,971.29 and 4,590.68 is: 6,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.04 : 17,971.29 = 4,590.68 : x
  2. Step 2: Convert to fraction form
    11,980.04/17,971.29 = 4,590.68/x
  3. Step 3: Cross multiply
    11,980.04x = 17,971.29 × 4,590.68
  4. Step 4: Simplify right side
    11,980.04x = 82,500,351.72
  5. Step 5: Solve for x
    x = 82,500,351.72/11,980.04
  6. Step 6: Final answer
    x = 6,886.49

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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.