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Finding the Fourth Proportional to 12,602.04, 18,881.46 and 8,897.64

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Solution

The fourth proportional to 12,602.04, 18,881.46 and 8,897.64 is: 13,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.04 : 18,881.46 = 8,897.64 : x
  2. Step 2: Convert to fraction form
    12,602.04/18,881.46 = 8,897.64/x
  3. Step 3: Cross multiply
    12,602.04x = 18,881.46 × 8,897.64
  4. Step 4: Simplify right side
    12,602.04x = 168,000,433.75
  5. Step 5: Solve for x
    x = 168,000,433.75/12,602.04
  6. Step 6: Final answer
    x = 13,331.21

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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.