Home / 13,251.84-18,290.73-10,112.28

Finding the Fourth Proportional to 13,251.84, 18,290.73 and 10,112.28

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Solution

The fourth proportional to 13,251.84, 18,290.73 and 10,112.28 is: 13,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.84 : 18,290.73 = 10,112.28 : x
  2. Step 2: Convert to fraction form
    13,251.84/18,290.73 = 10,112.28/x
  3. Step 3: Cross multiply
    13,251.84x = 18,290.73 × 10,112.28
  4. Step 4: Simplify right side
    13,251.84x = 184,960,983.16
  5. Step 5: Solve for x
    x = 184,960,983.16/13,251.84
  6. Step 6: Final answer
    x = 13,957.38

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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.