Home / 13,105.60-19,658.88-4,341.28

Finding the Fourth Proportional to 13,105.60, 19,658.88 and 4,341.28

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Solution

The fourth proportional to 13,105.60, 19,658.88 and 4,341.28 is: 6,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105.60 : 19,658.88 = 4,341.28 : x
  2. Step 2: Convert to fraction form
    13,105.60/19,658.88 = 4,341.28/x
  3. Step 3: Cross multiply
    13,105.60x = 19,658.88 × 4,341.28
  4. Step 4: Simplify right side
    13,105.60x = 85,344,702.57
  5. Step 5: Solve for x
    x = 85,344,702.57/13,105.60
  6. Step 6: Final answer
    x = 6,512.08

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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.