Home / 23,013.05-31,757.54-12,803.85

Finding the Fourth Proportional to 23,013.05, 31,757.54 and 12,803.85

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Solution

The fourth proportional to 23,013.05, 31,757.54 and 12,803.85 is: 17,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,013.05 : 31,757.54 = 12,803.85 : x
  2. Step 2: Convert to fraction form
    23,013.05/31,757.54 = 12,803.85/x
  3. Step 3: Cross multiply
    23,013.05x = 31,757.54 × 12,803.85
  4. Step 4: Simplify right side
    23,013.05x = 406,618,714.51
  5. Step 5: Solve for x
    x = 406,618,714.51/23,013.05
  6. Step 6: Final answer
    x = 17,669.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.