Home / 11,870.04-16,378.28-6,563.83

Finding the Fourth Proportional to 11,870.04, 16,378.28 and 6,563.83

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Solution

The fourth proportional to 11,870.04, 16,378.28 and 6,563.83 is: 9,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.04 : 16,378.28 = 6,563.83 : x
  2. Step 2: Convert to fraction form
    11,870.04/16,378.28 = 6,563.83/x
  3. Step 3: Cross multiply
    11,870.04x = 16,378.28 × 6,563.83
  4. Step 4: Simplify right side
    11,870.04x = 107,504,245.61
  5. Step 5: Solve for x
    x = 107,504,245.61/11,870.04
  6. Step 6: Final answer
    x = 9,056.77

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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.