Home / 14,256.41-21,370.65-7,934.30

Finding the Fourth Proportional to 14,256.41, 21,370.65 and 7,934.30

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Solution

The fourth proportional to 14,256.41, 21,370.65 and 7,934.30 is: 11,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.41 : 21,370.65 = 7,934.30 : x
  2. Step 2: Convert to fraction form
    14,256.41/21,370.65 = 7,934.30/x
  3. Step 3: Cross multiply
    14,256.41x = 21,370.65 × 7,934.30
  4. Step 4: Simplify right side
    14,256.41x = 169,561,148.30
  5. Step 5: Solve for x
    x = 169,561,148.30/14,256.41
  6. Step 6: Final answer
    x = 11,893.68

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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.