Home / 14,190.83-21,221.63-10,635.23

Finding the Fourth Proportional to 14,190.83, 21,221.63 and 10,635.23

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Solution

The fourth proportional to 14,190.83, 21,221.63 and 10,635.23 is: 15,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.83 : 21,221.63 = 10,635.23 : x
  2. Step 2: Convert to fraction form
    14,190.83/21,221.63 = 10,635.23/x
  3. Step 3: Cross multiply
    14,190.83x = 21,221.63 × 10,635.23
  4. Step 4: Simplify right side
    14,190.83x = 225,696,955.78
  5. Step 5: Solve for x
    x = 225,696,955.78/14,190.83
  6. Step 6: Final answer
    x = 15,904.42

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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.