Home / 20,573.07-30,854.79-5,783.40

Finding the Fourth Proportional to 20,573.07, 30,854.79 and 5,783.40

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Solution

The fourth proportional to 20,573.07, 30,854.79 and 5,783.40 is: 8,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.07 : 30,854.79 = 5,783.40 : x
  2. Step 2: Convert to fraction form
    20,573.07/30,854.79 = 5,783.40/x
  3. Step 3: Cross multiply
    20,573.07x = 30,854.79 × 5,783.40
  4. Step 4: Simplify right side
    20,573.07x = 178,445,592.49
  5. Step 5: Solve for x
    x = 178,445,592.49/20,573.07
  6. Step 6: Final answer
    x = 8,673.75

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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.