Home / 11,312.46-16,951.11-4,288.68

Finding the Fourth Proportional to 11,312.46, 16,951.11 and 4,288.68

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Solution

The fourth proportional to 11,312.46, 16,951.11 and 4,288.68 is: 6,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.46 : 16,951.11 = 4,288.68 : x
  2. Step 2: Convert to fraction form
    11,312.46/16,951.11 = 4,288.68/x
  3. Step 3: Cross multiply
    11,312.46x = 16,951.11 × 4,288.68
  4. Step 4: Simplify right side
    11,312.46x = 72,697,870.35
  5. Step 5: Solve for x
    x = 72,697,870.35/11,312.46
  6. Step 6: Final answer
    x = 6,426.35

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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.