Home / 18,630.51-25,721.06-11,560.83

Finding the Fourth Proportional to 18,630.51, 25,721.06 and 11,560.83

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Solution

The fourth proportional to 18,630.51, 25,721.06 and 11,560.83 is: 15,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.51 : 25,721.06 = 11,560.83 : x
  2. Step 2: Convert to fraction form
    18,630.51/25,721.06 = 11,560.83/x
  3. Step 3: Cross multiply
    18,630.51x = 25,721.06 × 11,560.83
  4. Step 4: Simplify right side
    18,630.51x = 297,356,744.28
  5. Step 5: Solve for x
    x = 297,356,744.28/18,630.51
  6. Step 6: Final answer
    x = 15,960.74

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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.