Home / 18,325.38-25,289.10-9,941.88

Finding the Fourth Proportional to 18,325.38, 25,289.10 and 9,941.88

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Solution

The fourth proportional to 18,325.38, 25,289.10 and 9,941.88 is: 13,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.38 : 25,289.10 = 9,941.88 : x
  2. Step 2: Convert to fraction form
    18,325.38/25,289.10 = 9,941.88/x
  3. Step 3: Cross multiply
    18,325.38x = 25,289.10 × 9,941.88
  4. Step 4: Simplify right side
    18,325.38x = 251,421,197.51
  5. Step 5: Solve for x
    x = 251,421,197.51/18,325.38
  6. Step 6: Final answer
    x = 13,719.84

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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.