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Finding the Fourth Proportional to 13,602.54, 20,475.53 and 11,598.06

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Solution

The fourth proportional to 13,602.54, 20,475.53 and 11,598.06 is: 17,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.54 : 20,475.53 = 11,598.06 : x
  2. Step 2: Convert to fraction form
    13,602.54/20,475.53 = 11,598.06/x
  3. Step 3: Cross multiply
    13,602.54x = 20,475.53 × 11,598.06
  4. Step 4: Simplify right side
    13,602.54x = 237,476,367.48
  5. Step 5: Solve for x
    x = 237,476,367.48/13,602.54
  6. Step 6: Final answer
    x = 17,458.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.