Home / 14,908.71-20,573.16-9,168.34

Finding the Fourth Proportional to 14,908.71, 20,573.16 and 9,168.34

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Solution

The fourth proportional to 14,908.71, 20,573.16 and 9,168.34 is: 12,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.71 : 20,573.16 = 9,168.34 : x
  2. Step 2: Convert to fraction form
    14,908.71/20,573.16 = 9,168.34/x
  3. Step 3: Cross multiply
    14,908.71x = 20,573.16 × 9,168.34
  4. Step 4: Simplify right side
    14,908.71x = 188,621,678.51
  5. Step 5: Solve for x
    x = 188,621,678.51/14,908.71
  6. Step 6: Final answer
    x = 12,651.78

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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.