Home / 18,434.76-25,431.88-12,464.26

Finding the Fourth Proportional to 18,434.76, 25,431.88 and 12,464.26

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Solution

The fourth proportional to 18,434.76, 25,431.88 and 12,464.26 is: 17,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.76 : 25,431.88 = 12,464.26 : x
  2. Step 2: Convert to fraction form
    18,434.76/25,431.88 = 12,464.26/x
  3. Step 3: Cross multiply
    18,434.76x = 25,431.88 × 12,464.26
  4. Step 4: Simplify right side
    18,434.76x = 316,989,564.61
  5. Step 5: Solve for x
    x = 316,989,564.61/18,434.76
  6. Step 6: Final answer
    x = 17,195.21

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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.