Home / 13,354.56-18,408.84-9,992.28

Finding the Fourth Proportional to 13,354.56, 18,408.84 and 9,992.28

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Solution

The fourth proportional to 13,354.56, 18,408.84 and 9,992.28 is: 13,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.56 : 18,408.84 = 9,992.28 : x
  2. Step 2: Convert to fraction form
    13,354.56/18,408.84 = 9,992.28/x
  3. Step 3: Cross multiply
    13,354.56x = 18,408.84 × 9,992.28
  4. Step 4: Simplify right side
    13,354.56x = 183,946,283.76
  5. Step 5: Solve for x
    x = 183,946,283.76/13,354.56
  6. Step 6: Final answer
    x = 13,774.04

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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.