Home / 10,146.45-14,000.94-6,315.60

Finding the Fourth Proportional to 10,146.45, 14,000.94 and 6,315.60

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Solution

The fourth proportional to 10,146.45, 14,000.94 and 6,315.60 is: 8,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.45 : 14,000.94 = 6,315.60 : x
  2. Step 2: Convert to fraction form
    10,146.45/14,000.94 = 6,315.60/x
  3. Step 3: Cross multiply
    10,146.45x = 14,000.94 × 6,315.60
  4. Step 4: Simplify right side
    10,146.45x = 88,424,336.66
  5. Step 5: Solve for x
    x = 88,424,336.66/10,146.45
  6. Step 6: Final answer
    x = 8,714.81

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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.