Home / 14,681.56-20,238.18-11,532.28

Finding the Fourth Proportional to 14,681.56, 20,238.18 and 11,532.28

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Solution

The fourth proportional to 14,681.56, 20,238.18 and 11,532.28 is: 15,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.56 : 20,238.18 = 11,532.28 : x
  2. Step 2: Convert to fraction form
    14,681.56/20,238.18 = 11,532.28/x
  3. Step 3: Cross multiply
    14,681.56x = 20,238.18 × 11,532.28
  4. Step 4: Simplify right side
    14,681.56x = 233,392,358.45
  5. Step 5: Solve for x
    x = 233,392,358.45/14,681.56
  6. Step 6: Final answer
    x = 15,896.97

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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.