Home / 21,083.49-31,603.26-8,598.09

Finding the Fourth Proportional to 21,083.49, 31,603.26 and 8,598.09

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Solution

The fourth proportional to 21,083.49, 31,603.26 and 8,598.09 is: 12,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.49 : 31,603.26 = 8,598.09 : x
  2. Step 2: Convert to fraction form
    21,083.49/31,603.26 = 8,598.09/x
  3. Step 3: Cross multiply
    21,083.49x = 31,603.26 × 8,598.09
  4. Step 4: Simplify right side
    21,083.49x = 271,727,673.77
  5. Step 5: Solve for x
    x = 271,727,673.77/21,083.49
  6. Step 6: Final answer
    x = 12,888.17

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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.