Home / 14,474.37-21,699.25-13,785.47

Finding the Fourth Proportional to 14,474.37, 21,699.25 and 13,785.47

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Solution

The fourth proportional to 14,474.37, 21,699.25 and 13,785.47 is: 20,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.37 : 21,699.25 = 13,785.47 : x
  2. Step 2: Convert to fraction form
    14,474.37/21,699.25 = 13,785.47/x
  3. Step 3: Cross multiply
    14,474.37x = 21,699.25 × 13,785.47
  4. Step 4: Simplify right side
    14,474.37x = 299,134,216.94
  5. Step 5: Solve for x
    x = 299,134,216.94/14,474.37
  6. Step 6: Final answer
    x = 20,666.48

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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.