Home / 20,574.24-30,862.56-5,784.30

Finding the Fourth Proportional to 20,574.24, 30,862.56 and 5,784.30

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Solution

The fourth proportional to 20,574.24, 30,862.56 and 5,784.30 is: 8,676.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574.24 : 30,862.56 = 5,784.30 : x
  2. Step 2: Convert to fraction form
    20,574.24/30,862.56 = 5,784.30/x
  3. Step 3: Cross multiply
    20,574.24x = 30,862.56 × 5,784.30
  4. Step 4: Simplify right side
    20,574.24x = 178,518,305.81
  5. Step 5: Solve for x
    x = 178,518,305.81/20,574.24
  6. Step 6: Final answer
    x = 8,676.79

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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.