Home / 15,521.80-23,282.70-6,287.80

Finding the Fourth Proportional to 15,521.80, 23,282.70 and 6,287.80

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Solution

The fourth proportional to 15,521.80, 23,282.70 and 6,287.80 is: 9,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.80 : 23,282.70 = 6,287.80 : x
  2. Step 2: Convert to fraction form
    15,521.80/23,282.70 = 6,287.80/x
  3. Step 3: Cross multiply
    15,521.80x = 23,282.70 × 6,287.80
  4. Step 4: Simplify right side
    15,521.80x = 146,396,961.06
  5. Step 5: Solve for x
    x = 146,396,961.06/15,521.80
  6. Step 6: Final answer
    x = 9,431.70

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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.