Home / 18,207.06-25,122.80-10,247.60

Finding the Fourth Proportional to 18,207.06, 25,122.80 and 10,247.60

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Solution

The fourth proportional to 18,207.06, 25,122.80 and 10,247.60 is: 14,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.06 : 25,122.80 = 10,247.60 : x
  2. Step 2: Convert to fraction form
    18,207.06/25,122.80 = 10,247.60/x
  3. Step 3: Cross multiply
    18,207.06x = 25,122.80 × 10,247.60
  4. Step 4: Simplify right side
    18,207.06x = 257,448,228.43
  5. Step 5: Solve for x
    x = 257,448,228.43/18,207.06
  6. Step 6: Final answer
    x = 14,140.02

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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.