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Finding the Fourth Proportional to 13,330.60, 19,967.10 and 11,602.60

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Solution

The fourth proportional to 13,330.60, 19,967.10 and 11,602.60 is: 17,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.60 : 19,967.10 = 11,602.60 : x
  2. Step 2: Convert to fraction form
    13,330.60/19,967.10 = 11,602.60/x
  3. Step 3: Cross multiply
    13,330.60x = 19,967.10 × 11,602.60
  4. Step 4: Simplify right side
    13,330.60x = 231,670,274.46
  5. Step 5: Solve for x
    x = 231,670,274.46/13,330.60
  6. Step 6: Final answer
    x = 17,378.83

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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.