Home / 20,223.65-30,314.66-7,740.27

Finding the Fourth Proportional to 20,223.65, 30,314.66 and 7,740.27

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Solution

The fourth proportional to 20,223.65, 30,314.66 and 7,740.27 is: 11,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.65 : 30,314.66 = 7,740.27 : x
  2. Step 2: Convert to fraction form
    20,223.65/30,314.66 = 7,740.27/x
  3. Step 3: Cross multiply
    20,223.65x = 30,314.66 × 7,740.27
  4. Step 4: Simplify right side
    20,223.65x = 234,643,614.66
  5. Step 5: Solve for x
    x = 234,643,614.66/20,223.65
  6. Step 6: Final answer
    x = 11,602.44

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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.