Home / 10,745.70-16,117.34-2,953.50

Finding the Fourth Proportional to 10,745.70, 16,117.34 and 2,953.50

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Solution

The fourth proportional to 10,745.70, 16,117.34 and 2,953.50 is: 4,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.70 : 16,117.34 = 2,953.50 : x
  2. Step 2: Convert to fraction form
    10,745.70/16,117.34 = 2,953.50/x
  3. Step 3: Cross multiply
    10,745.70x = 16,117.34 × 2,953.50
  4. Step 4: Simplify right side
    10,745.70x = 47,602,548.92
  5. Step 5: Solve for x
    x = 47,602,548.92/10,745.70
  6. Step 6: Final answer
    x = 4,429.92

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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.