Home / 19,290.30-28,937.52-6,139.60

Finding the Fourth Proportional to 19,290.30, 28,937.52 and 6,139.60

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Solution

The fourth proportional to 19,290.30, 28,937.52 and 6,139.60 is: 9,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.30 : 28,937.52 = 6,139.60 : x
  2. Step 2: Convert to fraction form
    19,290.30/28,937.52 = 6,139.60/x
  3. Step 3: Cross multiply
    19,290.30x = 28,937.52 × 6,139.60
  4. Step 4: Simplify right side
    19,290.30x = 177,664,797.79
  5. Step 5: Solve for x
    x = 177,664,797.79/19,290.30
  6. Step 6: Final answer
    x = 9,210.06

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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.