Home / 13,334.04-18,400.80-7,365.72

Finding the Fourth Proportional to 13,334.04, 18,400.80 and 7,365.72

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Solution

The fourth proportional to 13,334.04, 18,400.80 and 7,365.72 is: 10,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.04 : 18,400.80 = 7,365.72 : x
  2. Step 2: Convert to fraction form
    13,334.04/18,400.80 = 7,365.72/x
  3. Step 3: Cross multiply
    13,334.04x = 18,400.80 × 7,365.72
  4. Step 4: Simplify right side
    13,334.04x = 135,535,140.58
  5. Step 5: Solve for x
    x = 135,535,140.58/13,334.04
  6. Step 6: Final answer
    x = 10,164.60

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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.