Home / 12,663.04-18,992.79-4,342.92

Finding the Fourth Proportional to 12,663.04, 18,992.79 and 4,342.92

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Solution

The fourth proportional to 12,663.04, 18,992.79 and 4,342.92 is: 6,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.04 : 18,992.79 = 4,342.92 : x
  2. Step 2: Convert to fraction form
    12,663.04/18,992.79 = 4,342.92/x
  3. Step 3: Cross multiply
    12,663.04x = 18,992.79 × 4,342.92
  4. Step 4: Simplify right side
    12,663.04x = 82,484,167.55
  5. Step 5: Solve for x
    x = 82,484,167.55/12,663.04
  6. Step 6: Final answer
    x = 6,513.77

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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.