Home / 21,193.03-31,792.89-6,400.10

Finding the Fourth Proportional to 21,193.03, 31,792.89 and 6,400.10

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Solution

The fourth proportional to 21,193.03, 31,792.89 and 6,400.10 is: 9,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.03 : 31,792.89 = 6,400.10 : x
  2. Step 2: Convert to fraction form
    21,193.03/31,792.89 = 6,400.10/x
  3. Step 3: Cross multiply
    21,193.03x = 31,792.89 × 6,400.10
  4. Step 4: Simplify right side
    21,193.03x = 203,477,675.29
  5. Step 5: Solve for x
    x = 203,477,675.29/21,193.03
  6. Step 6: Final answer
    x = 9,601.16

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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.