Home / 13,958.22-19,261.89-7,670.19

Finding the Fourth Proportional to 13,958.22, 19,261.89 and 7,670.19

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Solution

The fourth proportional to 13,958.22, 19,261.89 and 7,670.19 is: 10,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.22 : 19,261.89 = 7,670.19 : x
  2. Step 2: Convert to fraction form
    13,958.22/19,261.89 = 7,670.19/x
  3. Step 3: Cross multiply
    13,958.22x = 19,261.89 × 7,670.19
  4. Step 4: Simplify right side
    13,958.22x = 147,742,356.06
  5. Step 5: Solve for x
    x = 147,742,356.06/13,958.22
  6. Step 6: Final answer
    x = 10,584.61

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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.