Home / 18,171.02-27,258.57-8,307.65

Finding the Fourth Proportional to 18,171.02, 27,258.57 and 8,307.65

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Solution

The fourth proportional to 18,171.02, 27,258.57 and 8,307.65 is: 12,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.02 : 27,258.57 = 8,307.65 : x
  2. Step 2: Convert to fraction form
    18,171.02/27,258.57 = 8,307.65/x
  3. Step 3: Cross multiply
    18,171.02x = 27,258.57 × 8,307.65
  4. Step 4: Simplify right side
    18,171.02x = 226,454,522.77
  5. Step 5: Solve for x
    x = 226,454,522.77/18,171.02
  6. Step 6: Final answer
    x = 12,462.40

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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.