Home / 18,542.14-25,599.78-14,285.18

Finding the Fourth Proportional to 18,542.14, 25,599.78 and 14,285.18

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Solution

The fourth proportional to 18,542.14, 25,599.78 and 14,285.18 is: 19,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.14 : 25,599.78 = 14,285.18 : x
  2. Step 2: Convert to fraction form
    18,542.14/25,599.78 = 14,285.18/x
  3. Step 3: Cross multiply
    18,542.14x = 25,599.78 × 14,285.18
  4. Step 4: Simplify right side
    18,542.14x = 365,697,465.26
  5. Step 5: Solve for x
    x = 365,697,465.26/18,542.14
  6. Step 6: Final answer
    x = 19,722.51

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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.