Home / 18,448.30-25,458.56-10,064.80

Finding the Fourth Proportional to 18,448.30, 25,458.56 and 10,064.80

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Solution

The fourth proportional to 18,448.30, 25,458.56 and 10,064.80 is: 13,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.30 : 25,458.56 = 10,064.80 : x
  2. Step 2: Convert to fraction form
    18,448.30/25,458.56 = 10,064.80/x
  3. Step 3: Cross multiply
    18,448.30x = 25,458.56 × 10,064.80
  4. Step 4: Simplify right side
    18,448.30x = 256,235,187.40
  5. Step 5: Solve for x
    x = 256,235,187.40/18,448.30
  6. Step 6: Final answer
    x = 13,889.37

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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.