Home / 14,692.43-20,268.77-8,720.71

Finding the Fourth Proportional to 14,692.43, 20,268.77 and 8,720.71

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Solution

The fourth proportional to 14,692.43, 20,268.77 and 8,720.71 is: 12,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.43 : 20,268.77 = 8,720.71 : x
  2. Step 2: Convert to fraction form
    14,692.43/20,268.77 = 8,720.71/x
  3. Step 3: Cross multiply
    14,692.43x = 20,268.77 × 8,720.71
  4. Step 4: Simplify right side
    14,692.43x = 176,758,036.36
  5. Step 5: Solve for x
    x = 176,758,036.36/14,692.43
  6. Step 6: Final answer
    x = 12,030.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.