Home / 13,983.09-19,293.48-10,208.31

Finding the Fourth Proportional to 13,983.09, 19,293.48 and 10,208.31

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Solution

The fourth proportional to 13,983.09, 19,293.48 and 10,208.31 is: 14,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.09 : 19,293.48 = 10,208.31 : x
  2. Step 2: Convert to fraction form
    13,983.09/19,293.48 = 10,208.31/x
  3. Step 3: Cross multiply
    13,983.09x = 19,293.48 × 10,208.31
  4. Step 4: Simplify right side
    13,983.09x = 196,953,824.82
  5. Step 5: Solve for x
    x = 196,953,824.82/13,983.09
  6. Step 6: Final answer
    x = 14,085.14

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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.