Home / 10,391.44-14,332.25-6,615.22

Finding the Fourth Proportional to 10,391.44, 14,332.25 and 6,615.22

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Solution

The fourth proportional to 10,391.44, 14,332.25 and 6,615.22 is: 9,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.44 : 14,332.25 = 6,615.22 : x
  2. Step 2: Convert to fraction form
    10,391.44/14,332.25 = 6,615.22/x
  3. Step 3: Cross multiply
    10,391.44x = 14,332.25 × 6,615.22
  4. Step 4: Simplify right side
    10,391.44x = 94,810,986.85
  5. Step 5: Solve for x
    x = 94,810,986.85/10,391.44
  6. Step 6: Final answer
    x = 9,123.95

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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.