Home / 15,804.08-21,813.97-9,832.19

Finding the Fourth Proportional to 15,804.08, 21,813.97 and 9,832.19

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Solution

The fourth proportional to 15,804.08, 21,813.97 and 9,832.19 is: 13,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.08 : 21,813.97 = 9,832.19 : x
  2. Step 2: Convert to fraction form
    15,804.08/21,813.97 = 9,832.19/x
  3. Step 3: Cross multiply
    15,804.08x = 21,813.97 × 9,832.19
  4. Step 4: Simplify right side
    15,804.08x = 214,478,988.62
  5. Step 5: Solve for x
    x = 214,478,988.62/15,804.08
  6. Step 6: Final answer
    x = 13,571.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.