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Finding the Fourth Proportional to 14,140.64, 19,500.96 and 9,095.96

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Solution

The fourth proportional to 14,140.64, 19,500.96 and 9,095.96 is: 12,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.64 : 19,500.96 = 9,095.96 : x
  2. Step 2: Convert to fraction form
    14,140.64/19,500.96 = 9,095.96/x
  3. Step 3: Cross multiply
    14,140.64x = 19,500.96 × 9,095.96
  4. Step 4: Simplify right side
    14,140.64x = 177,379,952.12
  5. Step 5: Solve for x
    x = 177,379,952.12/14,140.64
  6. Step 6: Final answer
    x = 12,543.98

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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.