Home / 14,242.56-21,350.88-10,540.32

Finding the Fourth Proportional to 14,242.56, 21,350.88 and 10,540.32

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Solution

The fourth proportional to 14,242.56, 21,350.88 and 10,540.32 is: 15,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.56 : 21,350.88 = 10,540.32 : x
  2. Step 2: Convert to fraction form
    14,242.56/21,350.88 = 10,540.32/x
  3. Step 3: Cross multiply
    14,242.56x = 21,350.88 × 10,540.32
  4. Step 4: Simplify right side
    14,242.56x = 225,045,107.48
  5. Step 5: Solve for x
    x = 225,045,107.48/14,242.56
  6. Step 6: Final answer
    x = 15,800.89

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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.