Home / 10,858.34-16,281.42-4,282.76

Finding the Fourth Proportional to 10,858.34, 16,281.42 and 4,282.76

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Solution

The fourth proportional to 10,858.34, 16,281.42 and 4,282.76 is: 6,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.34 : 16,281.42 = 4,282.76 : x
  2. Step 2: Convert to fraction form
    10,858.34/16,281.42 = 4,282.76/x
  3. Step 3: Cross multiply
    10,858.34x = 16,281.42 × 4,282.76
  4. Step 4: Simplify right side
    10,858.34x = 69,729,332.91
  5. Step 5: Solve for x
    x = 69,729,332.91/10,858.34
  6. Step 6: Final answer
    x = 6,421.73

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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.