Home / 10,339.57-14,273.45-6,615.73

Finding the Fourth Proportional to 10,339.57, 14,273.45 and 6,615.73

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Solution

The fourth proportional to 10,339.57, 14,273.45 and 6,615.73 is: 9,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.57 : 14,273.45 = 6,615.73 : x
  2. Step 2: Convert to fraction form
    10,339.57/14,273.45 = 6,615.73/x
  3. Step 3: Cross multiply
    10,339.57x = 14,273.45 × 6,615.73
  4. Step 4: Simplify right side
    10,339.57x = 94,429,291.37
  5. Step 5: Solve for x
    x = 94,429,291.37/10,339.57
  6. Step 6: Final answer
    x = 9,132.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.