Home / 18,106.02-27,144.72-11,767.50

Finding the Fourth Proportional to 18,106.02, 27,144.72 and 11,767.50

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Solution

The fourth proportional to 18,106.02, 27,144.72 and 11,767.50 is: 17,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.02 : 27,144.72 = 11,767.50 : x
  2. Step 2: Convert to fraction form
    18,106.02/27,144.72 = 11,767.50/x
  3. Step 3: Cross multiply
    18,106.02x = 27,144.72 × 11,767.50
  4. Step 4: Simplify right side
    18,106.02x = 319,425,492.60
  5. Step 5: Solve for x
    x = 319,425,492.60/18,106.02
  6. Step 6: Final answer
    x = 17,641.95

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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.