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Finding the Fourth Proportional to 10,775.73, 14,871.90 and 6,060.93

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Solution

The fourth proportional to 10,775.73, 14,871.90 and 6,060.93 is: 8,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.73 : 14,871.90 = 6,060.93 : x
  2. Step 2: Convert to fraction form
    10,775.73/14,871.90 = 6,060.93/x
  3. Step 3: Cross multiply
    10,775.73x = 14,871.90 × 6,060.93
  4. Step 4: Simplify right side
    10,775.73x = 90,137,544.87
  5. Step 5: Solve for x
    x = 90,137,544.87/10,775.73
  6. Step 6: Final answer
    x = 8,364.87

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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.