Home / 13,565.39-20,323.79-4,794.71

Finding the Fourth Proportional to 13,565.39, 20,323.79 and 4,794.71

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Solution

The fourth proportional to 13,565.39, 20,323.79 and 4,794.71 is: 7,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.39 : 20,323.79 = 4,794.71 : x
  2. Step 2: Convert to fraction form
    13,565.39/20,323.79 = 4,794.71/x
  3. Step 3: Cross multiply
    13,565.39x = 20,323.79 × 4,794.71
  4. Step 4: Simplify right side
    13,565.39x = 97,446,655.18
  5. Step 5: Solve for x
    x = 97,446,655.18/13,565.39
  6. Step 6: Final answer
    x = 7,183.48

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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.