Home / 10,859.47-16,291.24-4,285.71

Finding the Fourth Proportional to 10,859.47, 16,291.24 and 4,285.71

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Solution

The fourth proportional to 10,859.47, 16,291.24 and 4,285.71 is: 6,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.47 : 16,291.24 = 4,285.71 : x
  2. Step 2: Convert to fraction form
    10,859.47/16,291.24 = 4,285.71/x
  3. Step 3: Cross multiply
    10,859.47x = 16,291.24 × 4,285.71
  4. Step 4: Simplify right side
    10,859.47x = 69,819,519.47
  5. Step 5: Solve for x
    x = 69,819,519.47/10,859.47
  6. Step 6: Final answer
    x = 6,429.37

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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.