Home / 17,639.41-26,461.45-9,319.75

Finding the Fourth Proportional to 17,639.41, 26,461.45 and 9,319.75

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Solution

The fourth proportional to 17,639.41, 26,461.45 and 9,319.75 is: 13,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.41 : 26,461.45 = 9,319.75 : x
  2. Step 2: Convert to fraction form
    17,639.41/26,461.45 = 9,319.75/x
  3. Step 3: Cross multiply
    17,639.41x = 26,461.45 × 9,319.75
  4. Step 4: Simplify right side
    17,639.41x = 246,614,135.06
  5. Step 5: Solve for x
    x = 246,614,135.06/17,639.41
  6. Step 6: Final answer
    x = 13,980.86

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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.