Home / 14,285.82-21,434.36-10,342.03

Finding the Fourth Proportional to 14,285.82, 21,434.36 and 10,342.03

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Solution

The fourth proportional to 14,285.82, 21,434.36 and 10,342.03 is: 15,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.82 : 21,434.36 = 10,342.03 : x
  2. Step 2: Convert to fraction form
    14,285.82/21,434.36 = 10,342.03/x
  3. Step 3: Cross multiply
    14,285.82x = 21,434.36 × 10,342.03
  4. Step 4: Simplify right side
    14,285.82x = 221,674,794.15
  5. Step 5: Solve for x
    x = 221,674,794.15/14,285.82
  6. Step 6: Final answer
    x = 15,517.12

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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.