Home / 13,996.56-19,314.52-7,707.76

Finding the Fourth Proportional to 13,996.56, 19,314.52 and 7,707.76

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Solution

The fourth proportional to 13,996.56, 19,314.52 and 7,707.76 is: 10,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.56 : 19,314.52 = 7,707.76 : x
  2. Step 2: Convert to fraction form
    13,996.56/19,314.52 = 7,707.76/x
  3. Step 3: Cross multiply
    13,996.56x = 19,314.52 × 7,707.76
  4. Step 4: Simplify right side
    13,996.56x = 148,871,684.68
  5. Step 5: Solve for x
    x = 148,871,684.68/13,996.56
  6. Step 6: Final answer
    x = 10,636.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.