Home / 10,628.40-15,942.72-3,702.96

Finding the Fourth Proportional to 10,628.40, 15,942.72 and 3,702.96

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Solution

The fourth proportional to 10,628.40, 15,942.72 and 3,702.96 is: 5,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.40 : 15,942.72 = 3,702.96 : x
  2. Step 2: Convert to fraction form
    10,628.40/15,942.72 = 3,702.96/x
  3. Step 3: Cross multiply
    10,628.40x = 15,942.72 × 3,702.96
  4. Step 4: Simplify right side
    10,628.40x = 59,035,254.45
  5. Step 5: Solve for x
    x = 59,035,254.45/10,628.40
  6. Step 6: Final answer
    x = 5,554.48

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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.