Home / 18,159.02-27,222.92-6,311.25

Finding the Fourth Proportional to 18,159.02, 27,222.92 and 6,311.25

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Solution

The fourth proportional to 18,159.02, 27,222.92 and 6,311.25 is: 9,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.02 : 27,222.92 = 6,311.25 : x
  2. Step 2: Convert to fraction form
    18,159.02/27,222.92 = 6,311.25/x
  3. Step 3: Cross multiply
    18,159.02x = 27,222.92 × 6,311.25
  4. Step 4: Simplify right side
    18,159.02x = 171,810,601.57
  5. Step 5: Solve for x
    x = 171,810,601.57/18,159.02
  6. Step 6: Final answer
    x = 9,461.45

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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.