Home / 19,520.55-29,284.87-7,834.68

Finding the Fourth Proportional to 19,520.55, 29,284.87 and 7,834.68

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Solution

The fourth proportional to 19,520.55, 29,284.87 and 7,834.68 is: 11,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.55 : 29,284.87 = 7,834.68 : x
  2. Step 2: Convert to fraction form
    19,520.55/29,284.87 = 7,834.68/x
  3. Step 3: Cross multiply
    19,520.55x = 29,284.87 × 7,834.68
  4. Step 4: Simplify right side
    19,520.55x = 229,437,585.29
  5. Step 5: Solve for x
    x = 229,437,585.29/19,520.55
  6. Step 6: Final answer
    x = 11,753.64

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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.