Home / 21,810.26-30,113.36-14,651.07

Finding the Fourth Proportional to 21,810.26, 30,113.36 and 14,651.07

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Solution

The fourth proportional to 21,810.26, 30,113.36 and 14,651.07 is: 20,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810.26 : 30,113.36 = 14,651.07 : x
  2. Step 2: Convert to fraction form
    21,810.26/30,113.36 = 14,651.07/x
  3. Step 3: Cross multiply
    21,810.26x = 30,113.36 × 14,651.07
  4. Step 4: Simplify right side
    21,810.26x = 441,192,872.04
  5. Step 5: Solve for x
    x = 441,192,872.04/21,810.26
  6. Step 6: Final answer
    x = 20,228.69

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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.