Home / 17,349.72-26,020.69-7,980.74

Finding the Fourth Proportional to 17,349.72, 26,020.69 and 7,980.74

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Solution

The fourth proportional to 17,349.72, 26,020.69 and 7,980.74 is: 11,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,349.72 : 26,020.69 = 7,980.74 : x
  2. Step 2: Convert to fraction form
    17,349.72/26,020.69 = 7,980.74/x
  3. Step 3: Cross multiply
    17,349.72x = 26,020.69 × 7,980.74
  4. Step 4: Simplify right side
    17,349.72x = 207,664,479.04
  5. Step 5: Solve for x
    x = 207,664,479.04/17,349.72
  6. Step 6: Final answer
    x = 11,969.32

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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.