Home / 21,754.49-30,026.63-13,366.13

Finding the Fourth Proportional to 21,754.49, 30,026.63 and 13,366.13

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Solution

The fourth proportional to 21,754.49, 30,026.63 and 13,366.13 is: 18,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754.49 : 30,026.63 = 13,366.13 : x
  2. Step 2: Convert to fraction form
    21,754.49/30,026.63 = 13,366.13/x
  3. Step 3: Cross multiply
    21,754.49x = 30,026.63 × 13,366.13
  4. Step 4: Simplify right side
    21,754.49x = 401,339,723.32
  5. Step 5: Solve for x
    x = 401,339,723.32/21,754.49
  6. Step 6: Final answer
    x = 18,448.60

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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.