Home / 12,577.52-18,837.04-12,140.08

Finding the Fourth Proportional to 12,577.52, 18,837.04 and 12,140.08

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Solution

The fourth proportional to 12,577.52, 18,837.04 and 12,140.08 is: 18,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.52 : 18,837.04 = 12,140.08 : x
  2. Step 2: Convert to fraction form
    12,577.52/18,837.04 = 12,140.08/x
  3. Step 3: Cross multiply
    12,577.52x = 18,837.04 × 12,140.08
  4. Step 4: Simplify right side
    12,577.52x = 228,683,172.56
  5. Step 5: Solve for x
    x = 228,683,172.56/12,577.52
  6. Step 6: Final answer
    x = 18,181.90

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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.