Home / 18,130.46-27,203.85-9,800.72

Finding the Fourth Proportional to 18,130.46, 27,203.85 and 9,800.72

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Solution

The fourth proportional to 18,130.46, 27,203.85 and 9,800.72 is: 14,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.46 : 27,203.85 = 9,800.72 : x
  2. Step 2: Convert to fraction form
    18,130.46/27,203.85 = 9,800.72/x
  3. Step 3: Cross multiply
    18,130.46x = 27,203.85 × 9,800.72
  4. Step 4: Simplify right side
    18,130.46x = 266,617,316.77
  5. Step 5: Solve for x
    x = 266,617,316.77/18,130.46
  6. Step 6: Final answer
    x = 14,705.49

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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.