Home / 12,577.12-18,858.36-9,247.36

Finding the Fourth Proportional to 12,577.12, 18,858.36 and 9,247.36

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Solution

The fourth proportional to 12,577.12, 18,858.36 and 9,247.36 is: 13,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.12 : 18,858.36 = 9,247.36 : x
  2. Step 2: Convert to fraction form
    12,577.12/18,858.36 = 9,247.36/x
  3. Step 3: Cross multiply
    12,577.12x = 18,858.36 × 9,247.36
  4. Step 4: Simplify right side
    12,577.12x = 174,390,043.93
  5. Step 5: Solve for x
    x = 174,390,043.93/12,577.12
  6. Step 6: Final answer
    x = 13,865.66

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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.