Home / 21,945.74-32,918.60-10,267.16

Finding the Fourth Proportional to 21,945.74, 32,918.60 and 10,267.16

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Solution

The fourth proportional to 21,945.74, 32,918.60 and 10,267.16 is: 15,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.74 : 32,918.60 = 10,267.16 : x
  2. Step 2: Convert to fraction form
    21,945.74/32,918.60 = 10,267.16/x
  3. Step 3: Cross multiply
    21,945.74x = 32,918.60 × 10,267.16
  4. Step 4: Simplify right side
    21,945.74x = 337,980,394.25
  5. Step 5: Solve for x
    x = 337,980,394.25/21,945.74
  6. Step 6: Final answer
    x = 15,400.73

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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.