Home / 14,290.24-19,730.64-9,256.96

Finding the Fourth Proportional to 14,290.24, 19,730.64 and 9,256.96

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Solution

The fourth proportional to 14,290.24, 19,730.64 and 9,256.96 is: 12,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.24 : 19,730.64 = 9,256.96 : x
  2. Step 2: Convert to fraction form
    14,290.24/19,730.64 = 9,256.96/x
  3. Step 3: Cross multiply
    14,290.24x = 19,730.64 × 9,256.96
  4. Step 4: Simplify right side
    14,290.24x = 182,645,745.25
  5. Step 5: Solve for x
    x = 182,645,745.25/14,290.24
  6. Step 6: Final answer
    x = 12,781.15

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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.