Home / 14,286.83-21,405.98-10,106.39

Finding the Fourth Proportional to 14,286.83, 21,405.98 and 10,106.39

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Solution

The fourth proportional to 14,286.83, 21,405.98 and 10,106.39 is: 15,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.83 : 21,405.98 = 10,106.39 : x
  2. Step 2: Convert to fraction form
    14,286.83/21,405.98 = 10,106.39/x
  3. Step 3: Cross multiply
    14,286.83x = 21,405.98 × 10,106.39
  4. Step 4: Simplify right side
    14,286.83x = 216,337,024.65
  5. Step 5: Solve for x
    x = 216,337,024.65/14,286.83
  6. Step 6: Final answer
    x = 15,142.41

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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.