Home / 12,342.08-18,513.52-3,577.07

Finding the Fourth Proportional to 12,342.08, 18,513.52 and 3,577.07

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Solution

The fourth proportional to 12,342.08, 18,513.52 and 3,577.07 is: 5,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.08 : 18,513.52 = 3,577.07 : x
  2. Step 2: Convert to fraction form
    12,342.08/18,513.52 = 3,577.07/x
  3. Step 3: Cross multiply
    12,342.08x = 18,513.52 × 3,577.07
  4. Step 4: Simplify right side
    12,342.08x = 66,224,064.42
  5. Step 5: Solve for x
    x = 66,224,064.42/12,342.08
  6. Step 6: Final answer
    x = 5,365.72

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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.