Home / 21,395.15-32,095.79-6,605.33

Finding the Fourth Proportional to 21,395.15, 32,095.79 and 6,605.33

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Solution

The fourth proportional to 21,395.15, 32,095.79 and 6,605.33 is: 9,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.15 : 32,095.79 = 6,605.33 : x
  2. Step 2: Convert to fraction form
    21,395.15/32,095.79 = 6,605.33/x
  3. Step 3: Cross multiply
    21,395.15x = 32,095.79 × 6,605.33
  4. Step 4: Simplify right side
    21,395.15x = 212,003,091.06
  5. Step 5: Solve for x
    x = 212,003,091.06/21,395.15
  6. Step 6: Final answer
    x = 9,908.93

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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.