Home / 18,287.46-25,236.36-10,221.26

Finding the Fourth Proportional to 18,287.46, 25,236.36 and 10,221.26

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Solution

The fourth proportional to 18,287.46, 25,236.36 and 10,221.26 is: 14,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.46 : 25,236.36 = 10,221.26 : x
  2. Step 2: Convert to fraction form
    18,287.46/25,236.36 = 10,221.26/x
  3. Step 3: Cross multiply
    18,287.46x = 25,236.36 × 10,221.26
  4. Step 4: Simplify right side
    18,287.46x = 257,947,421.77
  5. Step 5: Solve for x
    x = 257,947,421.77/18,287.46
  6. Step 6: Final answer
    x = 14,105.16

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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.