Home / 21,042.26-31,567.03-9,356.39

Finding the Fourth Proportional to 21,042.26, 31,567.03 and 9,356.39

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Solution

The fourth proportional to 21,042.26, 31,567.03 and 9,356.39 is: 14,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.26 : 31,567.03 = 9,356.39 : x
  2. Step 2: Convert to fraction form
    21,042.26/31,567.03 = 9,356.39/x
  3. Step 3: Cross multiply
    21,042.26x = 31,567.03 × 9,356.39
  4. Step 4: Simplify right side
    21,042.26x = 295,353,262.60
  5. Step 5: Solve for x
    x = 295,353,262.60/21,042.26
  6. Step 6: Final answer
    x = 14,036.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.