Home / 20,547.24-30,818.52-5,757.36

Finding the Fourth Proportional to 20,547.24, 30,818.52 and 5,757.36

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Solution

The fourth proportional to 20,547.24, 30,818.52 and 5,757.36 is: 8,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547.24 : 30,818.52 = 5,757.36 : x
  2. Step 2: Convert to fraction form
    20,547.24/30,818.52 = 5,757.36/x
  3. Step 3: Cross multiply
    20,547.24x = 30,818.52 × 5,757.36
  4. Step 4: Simplify right side
    20,547.24x = 177,433,314.31
  5. Step 5: Solve for x
    x = 177,433,314.31/20,547.24
  6. Step 6: Final answer
    x = 8,635.38

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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.