Home / 11,318.34-15,629.82-7,292.18

Finding the Fourth Proportional to 11,318.34, 15,629.82 and 7,292.18

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Solution

The fourth proportional to 11,318.34, 15,629.82 and 7,292.18 is: 10,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.34 : 15,629.82 = 7,292.18 : x
  2. Step 2: Convert to fraction form
    11,318.34/15,629.82 = 7,292.18/x
  3. Step 3: Cross multiply
    11,318.34x = 15,629.82 × 7,292.18
  4. Step 4: Simplify right side
    11,318.34x = 113,975,460.81
  5. Step 5: Solve for x
    x = 113,975,460.81/11,318.34
  6. Step 6: Final answer
    x = 10,069.98

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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.