Home / 11,318.81-15,635.71-10,765.23

Finding the Fourth Proportional to 11,318.81, 15,635.71 and 10,765.23

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Solution

The fourth proportional to 11,318.81, 15,635.71 and 10,765.23 is: 14,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.81 : 15,635.71 = 10,765.23 : x
  2. Step 2: Convert to fraction form
    11,318.81/15,635.71 = 10,765.23/x
  3. Step 3: Cross multiply
    11,318.81x = 15,635.71 × 10,765.23
  4. Step 4: Simplify right side
    11,318.81x = 168,322,014.36
  5. Step 5: Solve for x
    x = 168,322,014.36/11,318.81
  6. Step 6: Final answer
    x = 14,871.00

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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.