Home / 13,195.60-19,822.20-9,307.60

Finding the Fourth Proportional to 13,195.60, 19,822.20 and 9,307.60

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Solution

The fourth proportional to 13,195.60, 19,822.20 and 9,307.60 is: 13,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.60 : 19,822.20 = 9,307.60 : x
  2. Step 2: Convert to fraction form
    13,195.60/19,822.20 = 9,307.60/x
  3. Step 3: Cross multiply
    13,195.60x = 19,822.20 × 9,307.60
  4. Step 4: Simplify right side
    13,195.60x = 184,497,108.72
  5. Step 5: Solve for x
    x = 184,497,108.72/13,195.60
  6. Step 6: Final answer
    x = 13,981.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.