Home / 9,814.83-13,544.60-5,565.80

Finding the Fourth Proportional to 9,814.83, 13,544.60 and 5,565.80

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Solution

The fourth proportional to 9,814.83, 13,544.60 and 5,565.80 is: 7,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.83 : 13,544.60 = 5,565.80 : x
  2. Step 2: Convert to fraction form
    9,814.83/13,544.60 = 5,565.80/x
  3. Step 3: Cross multiply
    9,814.83x = 13,544.60 × 5,565.80
  4. Step 4: Simplify right side
    9,814.83x = 75,386,439.13
  5. Step 5: Solve for x
    x = 75,386,439.13/9,814.83
  6. Step 6: Final answer
    x = 7,680.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.