Home / 14,421.60-21,637.80-5,662.80

Finding the Fourth Proportional to 14,421.60, 21,637.80 and 5,662.80

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Solution

The fourth proportional to 14,421.60, 21,637.80 and 5,662.80 is: 8,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.60 : 21,637.80 = 5,662.80 : x
  2. Step 2: Convert to fraction form
    14,421.60/21,637.80 = 5,662.80/x
  3. Step 3: Cross multiply
    14,421.60x = 21,637.80 × 5,662.80
  4. Step 4: Simplify right side
    14,421.60x = 122,530,533.84
  5. Step 5: Solve for x
    x = 122,530,533.84/14,421.60
  6. Step 6: Final answer
    x = 8,496.32

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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.