Home / 14,196.80-21,298.88-6,806.96

Finding the Fourth Proportional to 14,196.80, 21,298.88 and 6,806.96

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Solution

The fourth proportional to 14,196.80, 21,298.88 and 6,806.96 is: 10,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.80 : 21,298.88 = 6,806.96 : x
  2. Step 2: Convert to fraction form
    14,196.80/21,298.88 = 6,806.96/x
  3. Step 3: Cross multiply
    14,196.80x = 21,298.88 × 6,806.96
  4. Step 4: Simplify right side
    14,196.80x = 144,980,624.20
  5. Step 5: Solve for x
    x = 144,980,624.20/14,196.80
  6. Step 6: Final answer
    x = 10,212.20

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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.