Home / 22,020-30,383.26-13,070.31

Finding the Fourth Proportional to 22,020, 30,383.26 and 13,070.31

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Solution

The fourth proportional to 22,020, 30,383.26 and 13,070.31 is: 18,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020 : 30,383.26 = 13,070.31 : x
  2. Step 2: Convert to fraction form
    22,020/30,383.26 = 13,070.31/x
  3. Step 3: Cross multiply
    22,020x = 30,383.26 × 13,070.31
  4. Step 4: Simplify right side
    22,020x = 397,118,627.01
  5. Step 5: Solve for x
    x = 397,118,627.01/22,020
  6. Step 6: Final answer
    x = 18,034.45

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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.