Home / 20,444.81-30,667.14-5,653.70

Finding the Fourth Proportional to 20,444.81, 30,667.14 and 5,653.70

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Solution

The fourth proportional to 20,444.81, 30,667.14 and 5,653.70 is: 8,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.81 : 30,667.14 = 5,653.70 : x
  2. Step 2: Convert to fraction form
    20,444.81/30,667.14 = 5,653.70/x
  3. Step 3: Cross multiply
    20,444.81x = 30,667.14 × 5,653.70
  4. Step 4: Simplify right side
    20,444.81x = 173,382,809.42
  5. Step 5: Solve for x
    x = 173,382,809.42/20,444.81
  6. Step 6: Final answer
    x = 8,480.53

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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.