Home / 18,984.64-26,198.28-10,487.38

Finding the Fourth Proportional to 18,984.64, 26,198.28 and 10,487.38

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Solution

The fourth proportional to 18,984.64, 26,198.28 and 10,487.38 is: 14,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.64 : 26,198.28 = 10,487.38 : x
  2. Step 2: Convert to fraction form
    18,984.64/26,198.28 = 10,487.38/x
  3. Step 3: Cross multiply
    18,984.64x = 26,198.28 × 10,487.38
  4. Step 4: Simplify right side
    18,984.64x = 274,751,317.71
  5. Step 5: Solve for x
    x = 274,751,317.71/18,984.64
  6. Step 6: Final answer
    x = 14,472.30

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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.