Home / 18,338.48-25,307.70-10,380.52

Finding the Fourth Proportional to 18,338.48, 25,307.70 and 10,380.52

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Solution

The fourth proportional to 18,338.48, 25,307.70 and 10,380.52 is: 14,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.48 : 25,307.70 = 10,380.52 : x
  2. Step 2: Convert to fraction form
    18,338.48/25,307.70 = 10,380.52/x
  3. Step 3: Cross multiply
    18,338.48x = 25,307.70 × 10,380.52
  4. Step 4: Simplify right side
    18,338.48x = 262,707,086.00
  5. Step 5: Solve for x
    x = 262,707,086.00/18,338.48
  6. Step 6: Final answer
    x = 14,325.46

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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.