Home / 22,402.71-30,902.85-14,004.63

Finding the Fourth Proportional to 22,402.71, 30,902.85 and 14,004.63

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Solution

The fourth proportional to 22,402.71, 30,902.85 and 14,004.63 is: 19,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,402.71 : 30,902.85 = 14,004.63 : x
  2. Step 2: Convert to fraction form
    22,402.71/30,902.85 = 14,004.63/x
  3. Step 3: Cross multiply
    22,402.71x = 30,902.85 × 14,004.63
  4. Step 4: Simplify right side
    22,402.71x = 432,782,980.20
  5. Step 5: Solve for x
    x = 432,782,980.20/22,402.71
  6. Step 6: Final answer
    x = 19,318.33

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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.