Home / 13,277.46-18,322.90-7,309.14

Finding the Fourth Proportional to 13,277.46, 18,322.90 and 7,309.14

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Solution

The fourth proportional to 13,277.46, 18,322.90 and 7,309.14 is: 10,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.46 : 18,322.90 = 7,309.14 : x
  2. Step 2: Convert to fraction form
    13,277.46/18,322.90 = 7,309.14/x
  3. Step 3: Cross multiply
    13,277.46x = 18,322.90 × 7,309.14
  4. Step 4: Simplify right side
    13,277.46x = 133,924,554.32
  5. Step 5: Solve for x
    x = 133,924,554.32/13,277.46
  6. Step 6: Final answer
    x = 10,086.61

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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.