Home / 18,448.48-25,458.87-10,064.98

Finding the Fourth Proportional to 18,448.48, 25,458.87 and 10,064.98

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Solution

The fourth proportional to 18,448.48, 25,458.87 and 10,064.98 is: 13,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.48 : 25,458.87 = 10,064.98 : x
  2. Step 2: Convert to fraction form
    18,448.48/25,458.87 = 10,064.98/x
  3. Step 3: Cross multiply
    18,448.48x = 25,458.87 × 10,064.98
  4. Step 4: Simplify right side
    18,448.48x = 256,243,017.37
  5. Step 5: Solve for x
    x = 256,243,017.37/18,448.48
  6. Step 6: Final answer
    x = 13,889.65

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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.