Home / 13,254.06-19,874.73-7,708.89

Finding the Fourth Proportional to 13,254.06, 19,874.73 and 7,708.89

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Solution

The fourth proportional to 13,254.06, 19,874.73 and 7,708.89 is: 11,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.06 : 19,874.73 = 7,708.89 : x
  2. Step 2: Convert to fraction form
    13,254.06/19,874.73 = 7,708.89/x
  3. Step 3: Cross multiply
    13,254.06x = 19,874.73 × 7,708.89
  4. Step 4: Simplify right side
    13,254.06x = 153,212,107.35
  5. Step 5: Solve for x
    x = 153,212,107.35/13,254.06
  6. Step 6: Final answer
    x = 11,559.64

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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.