Home / 13,983.08-21,070.23-11,571.08

Finding the Fourth Proportional to 13,983.08, 21,070.23 and 11,571.08

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Solution

The fourth proportional to 13,983.08, 21,070.23 and 11,571.08 is: 17,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.08 : 21,070.23 = 11,571.08 : x
  2. Step 2: Convert to fraction form
    13,983.08/21,070.23 = 11,571.08/x
  3. Step 3: Cross multiply
    13,983.08x = 21,070.23 × 11,571.08
  4. Step 4: Simplify right side
    13,983.08x = 243,805,316.95
  5. Step 5: Solve for x
    x = 243,805,316.95/13,983.08
  6. Step 6: Final answer
    x = 17,435.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.