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Finding the Fourth Proportional to 10,095.74, 15,106.58 and 8,425.74

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Solution

The fourth proportional to 10,095.74, 15,106.58 and 8,425.74 is: 12,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.74 : 15,106.58 = 8,425.74 : x
  2. Step 2: Convert to fraction form
    10,095.74/15,106.58 = 8,425.74/x
  3. Step 3: Cross multiply
    10,095.74x = 15,106.58 × 8,425.74
  4. Step 4: Simplify right side
    10,095.74x = 127,284,148.96
  5. Step 5: Solve for x
    x = 127,284,148.96/10,095.74
  6. Step 6: Final answer
    x = 12,607.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.