Home / 14,167.35-21,335.36-12,340.53

Finding the Fourth Proportional to 14,167.35, 21,335.36 and 12,340.53

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Solution

The fourth proportional to 14,167.35, 21,335.36 and 12,340.53 is: 18,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.35 : 21,335.36 = 12,340.53 : x
  2. Step 2: Convert to fraction form
    14,167.35/21,335.36 = 12,340.53/x
  3. Step 3: Cross multiply
    14,167.35x = 21,335.36 × 12,340.53
  4. Step 4: Simplify right side
    14,167.35x = 263,289,680.99
  5. Step 5: Solve for x
    x = 263,289,680.99/14,167.35
  6. Step 6: Final answer
    x = 18,584.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.