Home / 14,005.60-21,008.40-3,617.35

Finding the Fourth Proportional to 14,005.60, 21,008.40 and 3,617.35

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Solution

The fourth proportional to 14,005.60, 21,008.40 and 3,617.35 is: 5,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.60 : 21,008.40 = 3,617.35 : x
  2. Step 2: Convert to fraction form
    14,005.60/21,008.40 = 3,617.35/x
  3. Step 3: Cross multiply
    14,005.60x = 21,008.40 × 3,617.35
  4. Step 4: Simplify right side
    14,005.60x = 75,994,735.74
  5. Step 5: Solve for x
    x = 75,994,735.74/14,005.60
  6. Step 6: Final answer
    x = 5,426.03

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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.