Home / 17,617.40-26,425.98-4,290.23

Finding the Fourth Proportional to 17,617.40, 26,425.98 and 4,290.23

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Solution

The fourth proportional to 17,617.40, 26,425.98 and 4,290.23 is: 6,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.40 : 26,425.98 = 4,290.23 : x
  2. Step 2: Convert to fraction form
    17,617.40/26,425.98 = 4,290.23/x
  3. Step 3: Cross multiply
    17,617.40x = 26,425.98 × 4,290.23
  4. Step 4: Simplify right side
    17,617.40x = 113,373,598.24
  5. Step 5: Solve for x
    x = 113,373,598.24/17,617.40
  6. Step 6: Final answer
    x = 6,435.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.