Home / 14,206.30-21,305.40-4,343.20

Finding the Fourth Proportional to 14,206.30, 21,305.40 and 4,343.20

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Solution

The fourth proportional to 14,206.30, 21,305.40 and 4,343.20 is: 6,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.30 : 21,305.40 = 4,343.20 : x
  2. Step 2: Convert to fraction form
    14,206.30/21,305.40 = 4,343.20/x
  3. Step 3: Cross multiply
    14,206.30x = 21,305.40 × 4,343.20
  4. Step 4: Simplify right side
    14,206.30x = 92,533,613.28
  5. Step 5: Solve for x
    x = 92,533,613.28/14,206.30
  6. Step 6: Final answer
    x = 6,513.56

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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.