Home / 21,091.77-31,641.75-6,300.36

Finding the Fourth Proportional to 21,091.77, 31,641.75 and 6,300.36

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Solution

The fourth proportional to 21,091.77, 31,641.75 and 6,300.36 is: 9,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,091.77 : 31,641.75 = 6,300.36 : x
  2. Step 2: Convert to fraction form
    21,091.77/31,641.75 = 6,300.36/x
  3. Step 3: Cross multiply
    21,091.77x = 31,641.75 × 6,300.36
  4. Step 4: Simplify right side
    21,091.77x = 199,354,416.03
  5. Step 5: Solve for x
    x = 199,354,416.03/21,091.77
  6. Step 6: Final answer
    x = 9,451.76

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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.