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Finding the Fourth Proportional to 9,648.66, 14,395.02 and 8,245.74

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Solution

The fourth proportional to 9,648.66, 14,395.02 and 8,245.74 is: 12,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.66 : 14,395.02 = 8,245.74 : x
  2. Step 2: Convert to fraction form
    9,648.66/14,395.02 = 8,245.74/x
  3. Step 3: Cross multiply
    9,648.66x = 14,395.02 × 8,245.74
  4. Step 4: Simplify right side
    9,648.66x = 118,697,592.21
  5. Step 5: Solve for x
    x = 118,697,592.21/9,648.66
  6. Step 6: Final answer
    x = 12,301.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.