Home / 10,815.12-14,924.88-6,099.84

Finding the Fourth Proportional to 10,815.12, 14,924.88 and 6,099.84

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Solution

The fourth proportional to 10,815.12, 14,924.88 and 6,099.84 is: 8,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.12 : 14,924.88 = 6,099.84 : x
  2. Step 2: Convert to fraction form
    10,815.12/14,924.88 = 6,099.84/x
  3. Step 3: Cross multiply
    10,815.12x = 14,924.88 × 6,099.84
  4. Step 4: Simplify right side
    10,815.12x = 91,039,380.02
  5. Step 5: Solve for x
    x = 91,039,380.02/10,815.12
  6. Step 6: Final answer
    x = 8,417.79

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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.