Home / 14,104.22-21,135.47-13,315.28

Finding the Fourth Proportional to 14,104.22, 21,135.47 and 13,315.28

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Solution

The fourth proportional to 14,104.22, 21,135.47 and 13,315.28 is: 19,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.22 : 21,135.47 = 13,315.28 : x
  2. Step 2: Convert to fraction form
    14,104.22/21,135.47 = 13,315.28/x
  3. Step 3: Cross multiply
    14,104.22x = 21,135.47 × 13,315.28
  4. Step 4: Simplify right side
    14,104.22x = 281,424,528.73
  5. Step 5: Solve for x
    x = 281,424,528.73/14,104.22
  6. Step 6: Final answer
    x = 19,953.22

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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.