Home / 12,395.08-18,577.50-9,485.56

Finding the Fourth Proportional to 12,395.08, 18,577.50 and 9,485.56

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Solution

The fourth proportional to 12,395.08, 18,577.50 and 9,485.56 is: 14,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.08 : 18,577.50 = 9,485.56 : x
  2. Step 2: Convert to fraction form
    12,395.08/18,577.50 = 9,485.56/x
  3. Step 3: Cross multiply
    12,395.08x = 18,577.50 × 9,485.56
  4. Step 4: Simplify right side
    12,395.08x = 176,217,990.90
  5. Step 5: Solve for x
    x = 176,217,990.90/12,395.08
  6. Step 6: Final answer
    x = 14,216.77

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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.