Home / 19,617.80-29,425.35-6,290.60

Finding the Fourth Proportional to 19,617.80, 29,425.35 and 6,290.60

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Solution

The fourth proportional to 19,617.80, 29,425.35 and 6,290.60 is: 9,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.80 : 29,425.35 = 6,290.60 : x
  2. Step 2: Convert to fraction form
    19,617.80/29,425.35 = 6,290.60/x
  3. Step 3: Cross multiply
    19,617.80x = 29,425.35 × 6,290.60
  4. Step 4: Simplify right side
    19,617.80x = 185,103,106.71
  5. Step 5: Solve for x
    x = 185,103,106.71/19,617.80
  6. Step 6: Final answer
    x = 9,435.47

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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.