Home / 21,573.38-32,313.32-10,456.81

Finding the Fourth Proportional to 21,573.38, 32,313.32 and 10,456.81

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Solution

The fourth proportional to 21,573.38, 32,313.32 and 10,456.81 is: 15,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.38 : 32,313.32 = 10,456.81 : x
  2. Step 2: Convert to fraction form
    21,573.38/32,313.32 = 10,456.81/x
  3. Step 3: Cross multiply
    21,573.38x = 32,313.32 × 10,456.81
  4. Step 4: Simplify right side
    21,573.38x = 337,894,193.07
  5. Step 5: Solve for x
    x = 337,894,193.07/21,573.38
  6. Step 6: Final answer
    x = 15,662.56

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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.