Home / 17,720.87-24,440.23-12,935.43

Finding the Fourth Proportional to 17,720.87, 24,440.23 and 12,935.43

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Solution

The fourth proportional to 17,720.87, 24,440.23 and 12,935.43 is: 17,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.87 : 24,440.23 = 12,935.43 : x
  2. Step 2: Convert to fraction form
    17,720.87/24,440.23 = 12,935.43/x
  3. Step 3: Cross multiply
    17,720.87x = 24,440.23 × 12,935.43
  4. Step 4: Simplify right side
    17,720.87x = 316,144,884.35
  5. Step 5: Solve for x
    x = 316,144,884.35/17,720.87
  6. Step 6: Final answer
    x = 17,840.26

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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.