Home / 12,892.08-19,341.54-4,127.16

Finding the Fourth Proportional to 12,892.08, 19,341.54 and 4,127.16

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Solution

The fourth proportional to 12,892.08, 19,341.54 and 4,127.16 is: 6,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.08 : 19,341.54 = 4,127.16 : x
  2. Step 2: Convert to fraction form
    12,892.08/19,341.54 = 4,127.16/x
  3. Step 3: Cross multiply
    12,892.08x = 19,341.54 × 4,127.16
  4. Step 4: Simplify right side
    12,892.08x = 79,825,630.23
  5. Step 5: Solve for x
    x = 79,825,630.23/12,892.08
  6. Step 6: Final answer
    x = 6,191.83

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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.