Home / 20,400.04-30,596.55-5,606.47

Finding the Fourth Proportional to 20,400.04, 30,596.55 and 5,606.47

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Solution

The fourth proportional to 20,400.04, 30,596.55 and 5,606.47 is: 8,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,400.04 : 30,596.55 = 5,606.47 : x
  2. Step 2: Convert to fraction form
    20,400.04/30,596.55 = 5,606.47/x
  3. Step 3: Cross multiply
    20,400.04x = 30,596.55 × 5,606.47
  4. Step 4: Simplify right side
    20,400.04x = 171,538,639.68
  5. Step 5: Solve for x
    x = 171,538,639.68/20,400.04
  6. Step 6: Final answer
    x = 8,408.74

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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.