Home / 15,790.26-21,785.49-10,486.14

Finding the Fourth Proportional to 15,790.26, 21,785.49 and 10,486.14

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Solution

The fourth proportional to 15,790.26, 21,785.49 and 10,486.14 is: 14,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.26 : 21,785.49 = 10,486.14 : x
  2. Step 2: Convert to fraction form
    15,790.26/21,785.49 = 10,486.14/x
  3. Step 3: Cross multiply
    15,790.26x = 21,785.49 × 10,486.14
  4. Step 4: Simplify right side
    15,790.26x = 228,445,698.11
  5. Step 5: Solve for x
    x = 228,445,698.11/15,790.26
  6. Step 6: Final answer
    x = 14,467.51

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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.