Home / 13,400.60-18,492.96-7,350.80

Finding the Fourth Proportional to 13,400.60, 18,492.96 and 7,350.80

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Solution

The fourth proportional to 13,400.60, 18,492.96 and 7,350.80 is: 10,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.60 : 18,492.96 = 7,350.80 : x
  2. Step 2: Convert to fraction form
    13,400.60/18,492.96 = 7,350.80/x
  3. Step 3: Cross multiply
    13,400.60x = 18,492.96 × 7,350.80
  4. Step 4: Simplify right side
    13,400.60x = 135,938,050.37
  5. Step 5: Solve for x
    x = 135,938,050.37/13,400.60
  6. Step 6: Final answer
    x = 10,144.18

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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.