Home / 14,358.40-21,540.63-7,246.69

Finding the Fourth Proportional to 14,358.40, 21,540.63 and 7,246.69

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Solution

The fourth proportional to 14,358.40, 21,540.63 and 7,246.69 is: 10,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.40 : 21,540.63 = 7,246.69 : x
  2. Step 2: Convert to fraction form
    14,358.40/21,540.63 = 7,246.69/x
  3. Step 3: Cross multiply
    14,358.40x = 21,540.63 × 7,246.69
  4. Step 4: Simplify right side
    14,358.40x = 156,098,268.01
  5. Step 5: Solve for x
    x = 156,098,268.01/14,358.40
  6. Step 6: Final answer
    x = 10,871.56

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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.