Home / 18,333.72-25,300.74-9,950.28

Finding the Fourth Proportional to 18,333.72, 25,300.74 and 9,950.28

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Solution

The fourth proportional to 18,333.72, 25,300.74 and 9,950.28 is: 13,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.72 : 25,300.74 = 9,950.28 : x
  2. Step 2: Convert to fraction form
    18,333.72/25,300.74 = 9,950.28/x
  3. Step 3: Cross multiply
    18,333.72x = 25,300.74 × 9,950.28
  4. Step 4: Simplify right side
    18,333.72x = 251,749,447.21
  5. Step 5: Solve for x
    x = 251,749,447.21/18,333.72
  6. Step 6: Final answer
    x = 13,731.50

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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.