Home / 12,095.96-18,139.60-6,553.40

Finding the Fourth Proportional to 12,095.96, 18,139.60 and 6,553.40

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Solution

The fourth proportional to 12,095.96, 18,139.60 and 6,553.40 is: 9,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.96 : 18,139.60 = 6,553.40 : x
  2. Step 2: Convert to fraction form
    12,095.96/18,139.60 = 6,553.40/x
  3. Step 3: Cross multiply
    12,095.96x = 18,139.60 × 6,553.40
  4. Step 4: Simplify right side
    12,095.96x = 118,876,054.64
  5. Step 5: Solve for x
    x = 118,876,054.64/12,095.96
  6. Step 6: Final answer
    x = 9,827.75

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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.