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Finding the Fourth Proportional to 10,610.76, 14,649.48 and 6,835.80

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Solution

The fourth proportional to 10,610.76, 14,649.48 and 6,835.80 is: 9,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.76 : 14,649.48 = 6,835.80 : x
  2. Step 2: Convert to fraction form
    10,610.76/14,649.48 = 6,835.80/x
  3. Step 3: Cross multiply
    10,610.76x = 14,649.48 × 6,835.80
  4. Step 4: Simplify right side
    10,610.76x = 100,140,915.38
  5. Step 5: Solve for x
    x = 100,140,915.38/10,610.76
  6. Step 6: Final answer
    x = 9,437.68

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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.