Home / 17,790.71-26,649.15-10,372.67

Finding the Fourth Proportional to 17,790.71, 26,649.15 and 10,372.67

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Solution

The fourth proportional to 17,790.71, 26,649.15 and 10,372.67 is: 15,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.71 : 26,649.15 = 10,372.67 : x
  2. Step 2: Convert to fraction form
    17,790.71/26,649.15 = 10,372.67/x
  3. Step 3: Cross multiply
    17,790.71x = 26,649.15 × 10,372.67
  4. Step 4: Simplify right side
    17,790.71x = 276,422,653.62
  5. Step 5: Solve for x
    x = 276,422,653.62/17,790.71
  6. Step 6: Final answer
    x = 15,537.48

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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.