Home / 18,257.10-27,389.01-5,780.26

Finding the Fourth Proportional to 18,257.10, 27,389.01 and 5,780.26

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Solution

The fourth proportional to 18,257.10, 27,389.01 and 5,780.26 is: 8,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.10 : 27,389.01 = 5,780.26 : x
  2. Step 2: Convert to fraction form
    18,257.10/27,389.01 = 5,780.26/x
  3. Step 3: Cross multiply
    18,257.10x = 27,389.01 × 5,780.26
  4. Step 4: Simplify right side
    18,257.10x = 158,315,598.94
  5. Step 5: Solve for x
    x = 158,315,598.94/18,257.10
  6. Step 6: Final answer
    x = 8,671.45

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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.