Home / 18,181.16-25,090.98-10,223.72

Finding the Fourth Proportional to 18,181.16, 25,090.98 and 10,223.72

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Solution

The fourth proportional to 18,181.16, 25,090.98 and 10,223.72 is: 14,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.16 : 25,090.98 = 10,223.72 : x
  2. Step 2: Convert to fraction form
    18,181.16/25,090.98 = 10,223.72/x
  3. Step 3: Cross multiply
    18,181.16x = 25,090.98 × 10,223.72
  4. Step 4: Simplify right side
    18,181.16x = 256,523,154.05
  5. Step 5: Solve for x
    x = 256,523,154.05/18,181.16
  6. Step 6: Final answer
    x = 14,109.28

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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.