Home / 34,518.68-51,797.69-13,455.98

Finding the Fourth Proportional to 34,518.68, 51,797.69 and 13,455.98

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Solution

The fourth proportional to 34,518.68, 51,797.69 and 13,455.98 is: 20,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,518.68 : 51,797.69 = 13,455.98 : x
  2. Step 2: Convert to fraction form
    34,518.68/51,797.69 = 13,455.98/x
  3. Step 3: Cross multiply
    34,518.68x = 51,797.69 × 13,455.98
  4. Step 4: Simplify right side
    34,518.68x = 696,988,613.41
  5. Step 5: Solve for x
    x = 696,988,613.41/34,518.68
  6. Step 6: Final answer
    x = 20,191.64

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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.