Home / 14,299.20-19,723.20-11,646.72

Finding the Fourth Proportional to 14,299.20, 19,723.20 and 11,646.72

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Solution

The fourth proportional to 14,299.20, 19,723.20 and 11,646.72 is: 16,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.20 : 19,723.20 = 11,646.72 : x
  2. Step 2: Convert to fraction form
    14,299.20/19,723.20 = 11,646.72/x
  3. Step 3: Cross multiply
    14,299.20x = 19,723.20 × 11,646.72
  4. Step 4: Simplify right side
    14,299.20x = 229,710,587.90
  5. Step 5: Solve for x
    x = 229,710,587.90/14,299.20
  6. Step 6: Final answer
    x = 16,064.58

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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.