Home / 13,376.04-20,066.58-5,980.80

Finding the Fourth Proportional to 13,376.04, 20,066.58 and 5,980.80

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Solution

The fourth proportional to 13,376.04, 20,066.58 and 5,980.80 is: 8,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.04 : 20,066.58 = 5,980.80 : x
  2. Step 2: Convert to fraction form
    13,376.04/20,066.58 = 5,980.80/x
  3. Step 3: Cross multiply
    13,376.04x = 20,066.58 × 5,980.80
  4. Step 4: Simplify right side
    13,376.04x = 120,014,201.66
  5. Step 5: Solve for x
    x = 120,014,201.66/13,376.04
  6. Step 6: Final answer
    x = 8,972.33

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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.