Home / 18,609.32-25,680.85-10,225.82

Finding the Fourth Proportional to 18,609.32, 25,680.85 and 10,225.82

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Solution

The fourth proportional to 18,609.32, 25,680.85 and 10,225.82 is: 14,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.32 : 25,680.85 = 10,225.82 : x
  2. Step 2: Convert to fraction form
    18,609.32/25,680.85 = 10,225.82/x
  3. Step 3: Cross multiply
    18,609.32x = 25,680.85 × 10,225.82
  4. Step 4: Simplify right side
    18,609.32x = 262,607,749.55
  5. Step 5: Solve for x
    x = 262,607,749.55/18,609.32
  6. Step 6: Final answer
    x = 14,111.63

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Half scale
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Double scale
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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.