Home / 14,320.35-21,457.04-13,773.60

Finding the Fourth Proportional to 14,320.35, 21,457.04 and 13,773.60

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Solution

The fourth proportional to 14,320.35, 21,457.04 and 13,773.60 is: 20,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.35 : 21,457.04 = 13,773.60 : x
  2. Step 2: Convert to fraction form
    14,320.35/21,457.04 = 13,773.60/x
  3. Step 3: Cross multiply
    14,320.35x = 21,457.04 × 13,773.60
  4. Step 4: Simplify right side
    14,320.35x = 295,540,617.28
  5. Step 5: Solve for x
    x = 295,540,617.28/14,320.35
  6. Step 6: Final answer
    x = 20,637.81

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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.