Home / 17,349.66-26,020.60-7,980.68

Finding the Fourth Proportional to 17,349.66, 26,020.60 and 7,980.68

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Solution

The fourth proportional to 17,349.66, 26,020.60 and 7,980.68 is: 11,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,349.66 : 26,020.60 = 7,980.68 : x
  2. Step 2: Convert to fraction form
    17,349.66/26,020.60 = 7,980.68/x
  3. Step 3: Cross multiply
    17,349.66x = 26,020.60 × 7,980.68
  4. Step 4: Simplify right side
    17,349.66x = 207,662,127.11
  5. Step 5: Solve for x
    x = 207,662,127.11/17,349.66
  6. Step 6: Final answer
    x = 11,969.23

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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.