Home / 18,317.13-25,277.63-9,933.63

Finding the Fourth Proportional to 18,317.13, 25,277.63 and 9,933.63

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Solution

The fourth proportional to 18,317.13, 25,277.63 and 9,933.63 is: 13,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.13 : 25,277.63 = 9,933.63 : x
  2. Step 2: Convert to fraction form
    18,317.13/25,277.63 = 9,933.63/x
  3. Step 3: Cross multiply
    18,317.13x = 25,277.63 × 9,933.63
  4. Step 4: Simplify right side
    18,317.13x = 251,098,623.70
  5. Step 5: Solve for x
    x = 251,098,623.70/18,317.13
  6. Step 6: Final answer
    x = 13,708.40

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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.