Home / 18,448.60-25,460.04-10,382.80

Finding the Fourth Proportional to 18,448.60, 25,460.04 and 10,382.80

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Solution

The fourth proportional to 18,448.60, 25,460.04 and 10,382.80 is: 14,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.60 : 25,460.04 = 10,382.80 : x
  2. Step 2: Convert to fraction form
    18,448.60/25,460.04 = 10,382.80/x
  3. Step 3: Cross multiply
    18,448.60x = 25,460.04 × 10,382.80
  4. Step 4: Simplify right side
    18,448.60x = 264,346,503.31
  5. Step 5: Solve for x
    x = 264,346,503.31/18,448.60
  6. Step 6: Final answer
    x = 14,328.81

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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.