Home / 11,723.98-16,178.46-6,417.77

Finding the Fourth Proportional to 11,723.98, 16,178.46 and 6,417.77

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Solution

The fourth proportional to 11,723.98, 16,178.46 and 6,417.77 is: 8,856.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.98 : 16,178.46 = 6,417.77 : x
  2. Step 2: Convert to fraction form
    11,723.98/16,178.46 = 6,417.77/x
  3. Step 3: Cross multiply
    11,723.98x = 16,178.46 × 6,417.77
  4. Step 4: Simplify right side
    11,723.98x = 103,829,651.61
  5. Step 5: Solve for x
    x = 103,829,651.61/11,723.98
  6. Step 6: Final answer
    x = 8,856.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.