Home / 18,431.30-25,435.17-10,473.53

Finding the Fourth Proportional to 18,431.30, 25,435.17 and 10,473.53

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Solution

The fourth proportional to 18,431.30, 25,435.17 and 10,473.53 is: 14,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.30 : 25,435.17 = 10,473.53 : x
  2. Step 2: Convert to fraction form
    18,431.30/25,435.17 = 10,473.53/x
  3. Step 3: Cross multiply
    18,431.30x = 25,435.17 × 10,473.53
  4. Step 4: Simplify right side
    18,431.30x = 266,395,888.87
  5. Step 5: Solve for x
    x = 266,395,888.87/18,431.30
  6. Step 6: Final answer
    x = 14,453.45

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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.