Home / 13,962.49-20,939.30-4,600.77

Finding the Fourth Proportional to 13,962.49, 20,939.30 and 4,600.77

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Solution

The fourth proportional to 13,962.49, 20,939.30 and 4,600.77 is: 6,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.49 : 20,939.30 = 4,600.77 : x
  2. Step 2: Convert to fraction form
    13,962.49/20,939.30 = 4,600.77/x
  3. Step 3: Cross multiply
    13,962.49x = 20,939.30 × 4,600.77
  4. Step 4: Simplify right side
    13,962.49x = 96,336,812.52
  5. Step 5: Solve for x
    x = 96,336,812.52/13,962.49
  6. Step 6: Final answer
    x = 6,899.69

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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.