Home / 15,443.70-23,133.15-12,141.06

Finding the Fourth Proportional to 15,443.70, 23,133.15 and 12,141.06

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Solution

The fourth proportional to 15,443.70, 23,133.15 and 12,141.06 is: 18,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.70 : 23,133.15 = 12,141.06 : x
  2. Step 2: Convert to fraction form
    15,443.70/23,133.15 = 12,141.06/x
  3. Step 3: Cross multiply
    15,443.70x = 23,133.15 × 12,141.06
  4. Step 4: Simplify right side
    15,443.70x = 280,860,962.14
  5. Step 5: Solve for x
    x = 280,860,962.14/15,443.70
  6. Step 6: Final answer
    x = 18,186.12

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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.