Home / 13,925.77-20,899.03-5,605.85

Finding the Fourth Proportional to 13,925.77, 20,899.03 and 5,605.85

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Solution

The fourth proportional to 13,925.77, 20,899.03 and 5,605.85 is: 8,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.77 : 20,899.03 = 5,605.85 : x
  2. Step 2: Convert to fraction form
    13,925.77/20,899.03 = 5,605.85/x
  3. Step 3: Cross multiply
    13,925.77x = 20,899.03 × 5,605.85
  4. Step 4: Simplify right side
    13,925.77x = 117,156,827.33
  5. Step 5: Solve for x
    x = 117,156,827.33/13,925.77
  6. Step 6: Final answer
    x = 8,412.95

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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.