Home / 11,980.07-17,973.57-4,958.79

Finding the Fourth Proportional to 11,980.07, 17,973.57 and 4,958.79

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Solution

The fourth proportional to 11,980.07, 17,973.57 and 4,958.79 is: 7,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.07 : 17,973.57 = 4,958.79 : x
  2. Step 2: Convert to fraction form
    11,980.07/17,973.57 = 4,958.79/x
  3. Step 3: Cross multiply
    11,980.07x = 17,973.57 × 4,958.79
  4. Step 4: Simplify right side
    11,980.07x = 89,127,159.18
  5. Step 5: Solve for x
    x = 89,127,159.18/11,980.07
  6. Step 6: Final answer
    x = 7,439.62

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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.