Home / 21,945.64-32,918.40-10,267.08

Finding the Fourth Proportional to 21,945.64, 32,918.40 and 10,267.08

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Solution

The fourth proportional to 21,945.64, 32,918.40 and 10,267.08 is: 15,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.64 : 32,918.40 = 10,267.08 : x
  2. Step 2: Convert to fraction form
    21,945.64/32,918.40 = 10,267.08/x
  3. Step 3: Cross multiply
    21,945.64x = 32,918.40 × 10,267.08
  4. Step 4: Simplify right side
    21,945.64x = 337,975,846.27
  5. Step 5: Solve for x
    x = 337,975,846.27/21,945.64
  6. Step 6: Final answer
    x = 15,400.59

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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.