Home / 18,123.25-25,010.06-10,165.40

Finding the Fourth Proportional to 18,123.25, 25,010.06 and 10,165.40

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Solution

The fourth proportional to 18,123.25, 25,010.06 and 10,165.40 is: 14,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.25 : 25,010.06 = 10,165.40 : x
  2. Step 2: Convert to fraction form
    18,123.25/25,010.06 = 10,165.40/x
  3. Step 3: Cross multiply
    18,123.25x = 25,010.06 × 10,165.40
  4. Step 4: Simplify right side
    18,123.25x = 254,237,263.92
  5. Step 5: Solve for x
    x = 254,237,263.92/18,123.25
  6. Step 6: Final answer
    x = 14,028.24

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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.