Home / 12,277.07-18,415.14-7,313.79

Finding the Fourth Proportional to 12,277.07, 18,415.14 and 7,313.79

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Solution

The fourth proportional to 12,277.07, 18,415.14 and 7,313.79 is: 10,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.07 : 18,415.14 = 7,313.79 : x
  2. Step 2: Convert to fraction form
    12,277.07/18,415.14 = 7,313.79/x
  3. Step 3: Cross multiply
    12,277.07x = 18,415.14 × 7,313.79
  4. Step 4: Simplify right side
    12,277.07x = 134,684,430.21
  5. Step 5: Solve for x
    x = 134,684,430.21/12,277.07
  6. Step 6: Final answer
    x = 10,970.41

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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.