Home / 20,569.96-30,859.10-6,715.24

Finding the Fourth Proportional to 20,569.96, 30,859.10 and 6,715.24

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Solution

The fourth proportional to 20,569.96, 30,859.10 and 6,715.24 is: 10,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569.96 : 30,859.10 = 6,715.24 : x
  2. Step 2: Convert to fraction form
    20,569.96/30,859.10 = 6,715.24/x
  3. Step 3: Cross multiply
    20,569.96x = 30,859.10 × 6,715.24
  4. Step 4: Simplify right side
    20,569.96x = 207,226,262.68
  5. Step 5: Solve for x
    x = 207,226,262.68/20,569.96
  6. Step 6: Final answer
    x = 10,074.22

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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.