Home / 17,265.40-25,878.90-9,479.80

Finding the Fourth Proportional to 17,265.40, 25,878.90 and 9,479.80

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Solution

The fourth proportional to 17,265.40, 25,878.90 and 9,479.80 is: 14,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,265.40 : 25,878.90 = 9,479.80 : x
  2. Step 2: Convert to fraction form
    17,265.40/25,878.90 = 9,479.80/x
  3. Step 3: Cross multiply
    17,265.40x = 25,878.90 × 9,479.80
  4. Step 4: Simplify right side
    17,265.40x = 245,326,796.22
  5. Step 5: Solve for x
    x = 245,326,796.22/17,265.40
  6. Step 6: Final answer
    x = 14,209.16

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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.