Home / 18,504.56-25,535.76-10,120.88

Finding the Fourth Proportional to 18,504.56, 25,535.76 and 10,120.88

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Solution

The fourth proportional to 18,504.56, 25,535.76 and 10,120.88 is: 13,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.56 : 25,535.76 = 10,120.88 : x
  2. Step 2: Convert to fraction form
    18,504.56/25,535.76 = 10,120.88/x
  3. Step 3: Cross multiply
    18,504.56x = 25,535.76 × 10,120.88
  4. Step 4: Simplify right side
    18,504.56x = 258,444,362.67
  5. Step 5: Solve for x
    x = 258,444,362.67/18,504.56
  6. Step 6: Final answer
    x = 13,966.52

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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.