Home / 18,633.86-25,709.63-12,962.24

Finding the Fourth Proportional to 18,633.86, 25,709.63 and 12,962.24

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Solution

The fourth proportional to 18,633.86, 25,709.63 and 12,962.24 is: 17,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.86 : 25,709.63 = 12,962.24 : x
  2. Step 2: Convert to fraction form
    18,633.86/25,709.63 = 12,962.24/x
  3. Step 3: Cross multiply
    18,633.86x = 25,709.63 × 12,962.24
  4. Step 4: Simplify right side
    18,633.86x = 333,254,201.01
  5. Step 5: Solve for x
    x = 333,254,201.01/18,633.86
  6. Step 6: Final answer
    x = 17,884.34

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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.