Home / 15,455.86-21,334.12-9,082.34

Finding the Fourth Proportional to 15,455.86, 21,334.12 and 9,082.34

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Solution

The fourth proportional to 15,455.86, 21,334.12 and 9,082.34 is: 12,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.86 : 21,334.12 = 9,082.34 : x
  2. Step 2: Convert to fraction form
    15,455.86/21,334.12 = 9,082.34/x
  3. Step 3: Cross multiply
    15,455.86x = 21,334.12 × 9,082.34
  4. Step 4: Simplify right side
    15,455.86x = 193,763,731.44
  5. Step 5: Solve for x
    x = 193,763,731.44/15,455.86
  6. Step 6: Final answer
    x = 12,536.59

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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.