Home / 21,054.92-29,055.06-12,552.66

Finding the Fourth Proportional to 21,054.92, 29,055.06 and 12,552.66

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Solution

The fourth proportional to 21,054.92, 29,055.06 and 12,552.66 is: 17,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.92 : 29,055.06 = 12,552.66 : x
  2. Step 2: Convert to fraction form
    21,054.92/29,055.06 = 12,552.66/x
  3. Step 3: Cross multiply
    21,054.92x = 29,055.06 × 12,552.66
  4. Step 4: Simplify right side
    21,054.92x = 364,718,289.46
  5. Step 5: Solve for x
    x = 364,718,289.46/21,054.92
  6. Step 6: Final answer
    x = 17,322.24

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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.