Home / 19,656.10-29,491.26-12,150.88

Finding the Fourth Proportional to 19,656.10, 29,491.26 and 12,150.88

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Solution

The fourth proportional to 19,656.10, 29,491.26 and 12,150.88 is: 18,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.10 : 29,491.26 = 12,150.88 : x
  2. Step 2: Convert to fraction form
    19,656.10/29,491.26 = 12,150.88/x
  3. Step 3: Cross multiply
    19,656.10x = 29,491.26 × 12,150.88
  4. Step 4: Simplify right side
    19,656.10x = 358,344,761.31
  5. Step 5: Solve for x
    x = 358,344,761.31/19,656.10
  6. Step 6: Final answer
    x = 18,230.72

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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.