Home / 22,649.79-31,245.80-14,694.51

Finding the Fourth Proportional to 22,649.79, 31,245.80 and 14,694.51

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Solution

The fourth proportional to 22,649.79, 31,245.80 and 14,694.51 is: 20,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,649.79 : 31,245.80 = 14,694.51 : x
  2. Step 2: Convert to fraction form
    22,649.79/31,245.80 = 14,694.51/x
  3. Step 3: Cross multiply
    22,649.79x = 31,245.80 × 14,694.51
  4. Step 4: Simplify right side
    22,649.79x = 459,141,601.07
  5. Step 5: Solve for x
    x = 459,141,601.07/22,649.79
  6. Step 6: Final answer
    x = 20,271.34

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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.