Home / 13,364.60-18,442.68-7,396.28

Finding the Fourth Proportional to 13,364.60, 18,442.68 and 7,396.28

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Solution

The fourth proportional to 13,364.60, 18,442.68 and 7,396.28 is: 10,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.60 : 18,442.68 = 7,396.28 : x
  2. Step 2: Convert to fraction form
    13,364.60/18,442.68 = 7,396.28/x
  3. Step 3: Cross multiply
    13,364.60x = 18,442.68 × 7,396.28
  4. Step 4: Simplify right side
    13,364.60x = 136,407,225.23
  5. Step 5: Solve for x
    x = 136,407,225.23/13,364.60
  6. Step 6: Final answer
    x = 10,206.61

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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.