Home / 19,730.77-27,227.37-10,776.49

Finding the Fourth Proportional to 19,730.77, 27,227.37 and 10,776.49

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Solution

The fourth proportional to 19,730.77, 27,227.37 and 10,776.49 is: 14,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.77 : 27,227.37 = 10,776.49 : x
  2. Step 2: Convert to fraction form
    19,730.77/27,227.37 = 10,776.49/x
  3. Step 3: Cross multiply
    19,730.77x = 27,227.37 × 10,776.49
  4. Step 4: Simplify right side
    19,730.77x = 293,415,480.53
  5. Step 5: Solve for x
    x = 293,415,480.53/19,730.77
  6. Step 6: Final answer
    x = 14,870.96

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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.