Home / 14,001.80-21,003.10-5,235.03

Finding the Fourth Proportional to 14,001.80, 21,003.10 and 5,235.03

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Solution

The fourth proportional to 14,001.80, 21,003.10 and 5,235.03 is: 7,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.80 : 21,003.10 = 5,235.03 : x
  2. Step 2: Convert to fraction form
    14,001.80/21,003.10 = 5,235.03/x
  3. Step 3: Cross multiply
    14,001.80x = 21,003.10 × 5,235.03
  4. Step 4: Simplify right side
    14,001.80x = 109,951,845.51
  5. Step 5: Solve for x
    x = 109,951,845.51/14,001.80
  6. Step 6: Final answer
    x = 7,852.70

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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.