Home / 20,257.32-30,389.55-6,927.18

Finding the Fourth Proportional to 20,257.32, 30,389.55 and 6,927.18

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Solution

The fourth proportional to 20,257.32, 30,389.55 and 6,927.18 is: 10,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.32 : 30,389.55 = 6,927.18 : x
  2. Step 2: Convert to fraction form
    20,257.32/30,389.55 = 6,927.18/x
  3. Step 3: Cross multiply
    20,257.32x = 30,389.55 × 6,927.18
  4. Step 4: Simplify right side
    20,257.32x = 210,513,897.41
  5. Step 5: Solve for x
    x = 210,513,897.41/20,257.32
  6. Step 6: Final answer
    x = 10,391.99

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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.