Home / 14,331.44-21,349.35-13,896.20

Finding the Fourth Proportional to 14,331.44, 21,349.35 and 13,896.20

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Solution

The fourth proportional to 14,331.44, 21,349.35 and 13,896.20 is: 20,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.44 : 21,349.35 = 13,896.20 : x
  2. Step 2: Convert to fraction form
    14,331.44/21,349.35 = 13,896.20/x
  3. Step 3: Cross multiply
    14,331.44x = 21,349.35 × 13,896.20
  4. Step 4: Simplify right side
    14,331.44x = 296,674,730.72
  5. Step 5: Solve for x
    x = 296,674,730.72/14,331.44
  6. Step 6: Final answer
    x = 20,700.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.