Home / 18,256.34-25,187.83-10,188.68

Finding the Fourth Proportional to 18,256.34, 25,187.83 and 10,188.68

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Solution

The fourth proportional to 18,256.34, 25,187.83 and 10,188.68 is: 14,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.34 : 25,187.83 = 10,188.68 : x
  2. Step 2: Convert to fraction form
    18,256.34/25,187.83 = 10,188.68/x
  3. Step 3: Cross multiply
    18,256.34x = 25,187.83 × 10,188.68
  4. Step 4: Simplify right side
    18,256.34x = 256,630,588.35
  5. Step 5: Solve for x
    x = 256,630,588.35/18,256.34
  6. Step 6: Final answer
    x = 14,057.06

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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.