Home / 22,668.14-31,271.31-14,707.46

Finding the Fourth Proportional to 22,668.14, 31,271.31 and 14,707.46

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Solution

The fourth proportional to 22,668.14, 31,271.31 and 14,707.46 is: 20,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.14 : 31,271.31 = 14,707.46 : x
  2. Step 2: Convert to fraction form
    22,668.14/31,271.31 = 14,707.46/x
  3. Step 3: Cross multiply
    22,668.14x = 31,271.31 × 14,707.46
  4. Step 4: Simplify right side
    22,668.14x = 459,921,384.62
  5. Step 5: Solve for x
    x = 459,921,384.62/22,668.14
  6. Step 6: Final answer
    x = 20,289.33

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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.