Home / 18,564.47-25,619.62-10,499.90

Finding the Fourth Proportional to 18,564.47, 25,619.62 and 10,499.90

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Solution

The fourth proportional to 18,564.47, 25,619.62 and 10,499.90 is: 14,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.47 : 25,619.62 = 10,499.90 : x
  2. Step 2: Convert to fraction form
    18,564.47/25,619.62 = 10,499.90/x
  3. Step 3: Cross multiply
    18,564.47x = 25,619.62 × 10,499.90
  4. Step 4: Simplify right side
    18,564.47x = 269,003,448.04
  5. Step 5: Solve for x
    x = 269,003,448.04/18,564.47
  6. Step 6: Final answer
    x = 14,490.23

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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.